MR. SULLIVAN ADDING AND SUBTRACTING …cdn-media1.teachertube.com/doc601/2077.pdfmr. sullivan adding...

$: MR. SULLIVAN ADDING AND SUBTRACTING …cdn-media1.teachertube.com/doc601/2077.pdfmr. sullivan adding and subtracting fractions math lab combine the numerators simplify fraction final$
MR. SULLIVAN ADDING AND SUBTRACTING FRACTIONS MATH LAB

COMBINE THE

NUMERATORS

SIMPLIFY

FRACTION

FINAL

ANSWER

1. 2 + 10 = + = = =

20 20

2. 25 - 13 = - = = =

5 8

3. 12 - 24 = - = = =

4 10

4. 10 - 10 = - = = =

4 3

5. 18 + 15 = + = = =

24 17

6. 6 + 21 = + = = =

20 18

7. 21 + 9 = + = = =

2 18

8. 19 + 14 = + = = =

11 1

9. 19 - 21 = - = = =

14 2

10. 12 - 17 = - = = =PROBLEM

SET

9 2# 1

FIND A COMMON

DENOMINATOR

NAME: ____________________________ DATE: _____________ PERIOD: ____________________________


COMBINE THE

NUMERATORS

SIMPLIFY

FRACTION

FINAL

ANSWER

1. 14 + 23 = + = = =

19 14

2. 21 + 24 = + = = =

21 16

3. 5 - 3 = - = = =

21 6

4. 3 - 12 = - = = =

18 12

5. 15 + 22 = + = = =

17 13

6. 6 + 0 = + = = =

19 21

7. 13 + 22 = + = = =

19 18

8. 7 + 7 = + = = =

25 23

9. 21 + 23 = + = = =

18 4

10. 24 - 16 = - = = =PROBLEM

SET

2 10# 2

FIND A COMMON

DENOMINATOR

NAME: ____________________________ DATE: _____________ PERIOD: ____________________________


COMBINE THE

NUMERATORS

SIMPLIFY

FRACTION

FINAL

ANSWER

1. 2 + 21 = + = = =

4 8

2. 1 + 23 = + = = =

20 19

3. 18 + 14 = + = = =

5 16

4. 8 + 23 = + = = =

17 10

5. 18 - 8 = - = = =

2 11

6. 9 + 21 = + = = =

5 15

7. 22 - 12 = - = = =

17 20

8. 1 - 19 = - = = =

7 3

9. 13 + 24 = + = = =

8 12

10. 18 - 10 = - = = =PROBLEM

SET

7 15# 3

FIND A COMMON

DENOMINATOR

NAME: ____________________________ DATE: _____________ PERIOD: ____________________________


COMBINE THE

NUMERATORS

SIMPLIFY

FRACTION

FINAL

ANSWER

1. 23 + 24 = + = = =

7 6

2. 14 + 17 = + = = =

13 13

3. 22 + 18 = + = = =

16 17

4. 20 - 0 = - = = =

10 7

5. 16 - 6 = - = = =

17 11

6. 9 + 19 = + = = =

1 18

7. 12 - 17 = - = = =

14 14

8. 2 - 3 = - = = =

11 9

9. 21 - 1 = - = = =

10 23

10. 18 - 4 = - = = =PROBLEM

SET

13 14# 4

FIND A COMMON

DENOMINATOR

NAME: ____________________________ DATE: _____________ PERIOD: ____________________________


COMBINE THE

NUMERATORS

SIMPLIFY

FRACTION

FINAL

ANSWER

1. 19 + 4 = + = = =

12 13

2. 12 - 19 = - = = =

9 22

3. 4 - 14 = - = = =

1 1

4. 3 + 22 = + = = =

14 13

5. 0 + 20 = + = = =

0 24

6. 5 - 19 = - = = =

3 2

7. 22 - 19 = - = = =

11 12

8. 10 + 9 = + = = =

24 16

9. 22 - 11 = - = = =

25 22

10. 18 + 7 = + = = =PROBLEM

SET

6 23# 5

FIND A COMMON

DENOMINATOR

NAME: ____________________________ DATE: _____________ PERIOD: ____________________________


COMBINE THE

NUMERATORS

SIMPLIFY

FRACTION

FINAL

ANSWER

1. 15 - 15 = - = = =

16 9

2. 7 + 12 = + = = =

0 2

3. 2 + 9 = + = = =

4 8

4. 5 - 2 = - = = =

7 4

5. 19 + 24 = + = = =

17 9

6. 16 + 23 = + = = =

13 8

7. 19 - 4 = - = = =

13 24

8. 21 - 13 = - = = =

6 0

9. 23 - 21 = - = = =

2 16

10. 8 - 22 = - = = =PROBLEM

SET

1 20# 6

FIND A COMMON

DENOMINATOR

NAME: ____________________________ DATE: _____________ PERIOD: ____________________________


COMBINE THE

NUMERATORS

SIMPLIFY

FRACTION

FINAL

ANSWER

1. 24 - 19 = - = = =

22 16

2. 20 - 20 = - = = =

13 22

3. 3 + 7 = + = = =

0 3

4. 19 + 8 = + = = =

20 20

5. 15 + 8 = + = = =

21 18

6. 6 - 15 = - = = =

24 5

7. 7 - 13 = - = = =

24 24

8. 23 + 9 = + = = =

14 18

9. 7 + 24 = + = = =

16 18

10. 1 - 2 = - = = =PROBLEM

SET

20 22# 7

FIND A COMMON

DENOMINATOR

NAME: ____________________________ DATE: _____________ PERIOD: ____________________________


COMBINE THE

NUMERATORS

SIMPLIFY

FRACTION

FINAL

ANSWER

1. 1 - 13 = - = = =

11 23

2. 20 - 12 = - = = =

2 10

3. 15 + 21 = + = = =

17 9

4. 20 - 12 = - = = =

1 20

5. 22 - 6 = - = = =

24 4

6. 6 + 16 = + = = =

16 3

7. 17 + 1 = + = = =

4 22

8. 10 + 9 = + = = =

8 7

9. 13 + 6 = + = = =

21 3

10. 20 + 13 = + = = =PROBLEM

SET

12 12# 8

FIND A COMMON

DENOMINATOR

NAME: ____________________________ DATE: _____________ PERIOD: ____________________________


COMBINE THE

NUMERATORS

SIMPLIFY

FRACTION

FINAL

ANSWER

1. 4 + 24 = + = = =

5 10

2. 9 - 24 = - = = =

5 0

3. 6 - 2 = - = = =

20 2

4. 22 - 4 = - = = =

22 20

5. 13 + 2 = + = = =

8 14

6. 8 - 15 = - = = =

7 11

7. 17 - 4 = - = = =

4 21

8. 25 + 11 = + = = =

7 8

9. 7 + 2 = + = = =

14 1

10. 8 + 12 = + = = =PROBLEM

SET

21 7# 9

FIND A COMMON

DENOMINATOR

NAME: ____________________________ DATE: _____________ PERIOD: ____________________________


COMBINE THE

NUMERATORS

SIMPLIFY

FRACTION

FINAL

ANSWER

1. 20 + 18 = + = = =

0 12

2. 11 - 15 = - = = =

4 25

3. 21 - 17 = - = = =

6 22

4. 7 + 11 = + = = =

3 16

5. 20 + 0 = + = = =

2 17

6. 16 + 11 = + = = =

9 10

7. 11 - 23 = - = = =

10 22

8. 12 + 24 = + = = =

9 22

9. 10 + 13 = + = = =

14 1

10. 0 - 4 = - = = =PROBLEM

SET

7 2# 10

FIND A COMMON

DENOMINATOR

NAME: ____________________________ DATE: _____________ PERIOD: ____________________________


COMBINE THE

NUMERATORS

SIMPLIFY

FRACTION

FINAL

ANSWER

1. 15 + 4 = + = = =

22 3

2. 12 - 13 = - = = =

9 10

3. 16 + 7 = + = = =

16 21

4. 22 + 5 = + = = =

4 18

5. 10 - 20 = - = = =

22 2

6. 9 - 15 = - = = =

8 8

7. 22 + 18 = + = = =

7 17

8. 10 - 7 = - = = =

19 15

9. 8 + 8 = + = = =

19 21

10. 8 + 21 = + = = =PROBLEM

SET

16 17# 11

FIND A COMMON

DENOMINATOR

NAME: ____________________________ DATE: _____________ PERIOD: ____________________________


COMBINE THE

NUMERATORS

SIMPLIFY

FRACTION

FINAL

ANSWER

1. 14 - 1 = - = = =

23 20

2. 24 + 23 = + = = =

15 2

3. 11 + 6 = + = = =

20 1

4. 6 - 20 = - = = =

7 7

5. 19 - 20 = - = = =

4 3

6. 17 - 14 = - = = =

19 10

7. 6 + 1 = + = = =

4 21

8. 9 + 4 = + = = =

23 15

9. 21 - 18 = - = = =

3 14

10. 18 + 5 = + = = =PROBLEM

SET

17 6# 12

FIND A COMMON

DENOMINATOR

NAME: ____________________________ DATE: _____________ PERIOD: ____________________________


COMBINE THE

NUMERATORS

SIMPLIFY

FRACTION

FINAL

ANSWER

1. 2 - 12 = - = = =

10 6

2. 8 + 6 = + = = =

4 18

3. 19 + 2 = + = = =

23 23

4. 11 + 1 = + = = =

7 0

5. 14 - 15 = - = = =

4 6

6. 22 + 7 = + = = =

13 4

7. 18 + 19 = + = = =

20 17

8. 5 + 5 = + = = =

18 4

9. 9 - 19 = - = = =

9 8

10. 9 - 9 = - = = =PROBLEM

SET

12 20# 13

FIND A COMMON

DENOMINATOR

NAME: ____________________________ DATE: _____________ PERIOD: ____________________________


COMBINE THE

NUMERATORS

SIMPLIFY

FRACTION

FINAL

ANSWER

1. 9 + 24 = + = = =

2 11

2. 11 + 2 = + = = =

13 25

3. 4 - 22 = - = = =

24 15

4. 19 + 12 = + = = =

23 22

5. 13 - 5 = - = = =

12 4

6. 16 + 17 = + = = =

9 16

7. 11 + 2 = + = = =

5 5

8. 18 + 14 = + = = =

14 20

9. 18 + 12 = + = = =

1 18

10. 9 + 15 = + = = =PROBLEM

SET

14 20# 14

FIND A COMMON

DENOMINATOR

NAME: ____________________________ DATE: _____________ PERIOD: ____________________________


COMBINE THE

NUMERATORS

SIMPLIFY

FRACTION

FINAL

ANSWER

1. 5 + 5 = + = = =

15 7

2. 21 + 16 = + = = =

23 25

3. 9 + 20 = + = = =

11 1

4. 23 - 21 = - = = =

15 14

5. 19 - 13 = - = = =

2 6

6. 19 + 25 = + = = =

9 11

7. 23 + 5 = + = = =

22 25

8. 20 + 17 = + = = =

6 12

9. 19 + 18 = + = = =

14 12

10. 17 + 2 = + = = =PROBLEM

SET

10 7# 15

FIND A COMMON

DENOMINATOR

NAME: ____________________________ DATE: _____________ PERIOD: ____________________________


COMBINE THE

NUMERATORS

SIMPLIFY

FRACTION

FINAL

ANSWER

1. 10 + 9 = + = = =

2 5

2. 6 - 0 = - = = =

18 20

3. 4 - 13 = - = = =

4 17

4. 8 - 8 = - = = =

25 5

5. 19 + 1 = + = = =

10 23

6. 14 + 23 = + = = =

10 13

7. 4 + 3 = + = = =

2 24

8. 8 - 12 = - = = =

7 10

9. 7 + 23 = + = = =

8 16

10. 21 + 11 = + = = =PROBLEM

SET

16 23# 16

FIND A COMMON

DENOMINATOR

NAME: ____________________________ DATE: _____________ PERIOD: ____________________________


COMBINE THE

NUMERATORS

SIMPLIFY

FRACTION

FINAL

ANSWER

1. 18 - 16 = - = = =

22 4

2. 16 - 14 = - = = =

0 3

3. 3 + 7 = + = = =

9 19

4. 18 - 21 = - = = =

9 5

5. 11 + 20 = + = = =

0 4

6. 22 + 7 = + = = =

5 13

7. 2 + 21 = + = = =

22 19

8. 3 - 13 = - = = =

13 6

9. 14 + 19 = + = = =

13 14

10. 19 + 11 = + = = =PROBLEM

SET

17 13# 17

FIND A COMMON

DENOMINATOR

NAME: ____________________________ DATE: _____________ PERIOD: ____________________________


COMBINE THE

NUMERATORS

SIMPLIFY

FRACTION

FINAL

ANSWER

1. 13 - 17 = - = = =

13 4

2. 6 - 7 = - = = =

23 2

3. 13 - 0 = - = = =

5 13

4. 4 - 8 = - = = =

20 23

5. 5 + 12 = + = = =

20 16

6. 16 + 7 = + = = =

19 22

7. 2 - 2 = - = = =

7 25

8. 22 + 0 = + = = =

3 24

9. 19 + 18 = + = = =

23 7

10. 7 + 0 = + = = =PROBLEM

SET

18 1# 18

FIND A COMMON

DENOMINATOR

NAME: ____________________________ DATE: _____________ PERIOD: ____________________________


COMBINE THE

NUMERATORS

SIMPLIFY

FRACTION

FINAL

ANSWER

1. 15 + 3 = + = = =

3 8

2. 3 - 5 = - = = =

18 2

3. 15 + 17 = + = = =

10 10

4. 14 + 19 = + = = =

11 5

5. 11 - 13 = - = = =

21 13

6. 6 + 18 = + = = =

11 13

7. 19 - 14 = - = = =

9 24

8. 3 + 4 = + = = =

15 2

9. 11 + 18 = + = = =

11 15

10. 12 - 18 = - = = =PROBLEM

SET

21 10# 19

FIND A COMMON

DENOMINATOR

NAME: ____________________________ DATE: _____________ PERIOD: ____________________________


COMBINE THE

NUMERATORS

SIMPLIFY

FRACTION

FINAL

ANSWER

1. 0 + 7 = + = = =

23 15

2. 18 + 24 = + = = =

0 21

3. 20 + 15 = + = = =

6 21

4. 9 + 12 = + = = =

2 12

5. 13 + 12 = + = = =

12 3

6. 23 + 24 = + = = =

6 9

7. 9 + 16 = + = = =

23 18

8. 13 - 20 = - = = =

21 20

9. 6 - 21 = - = = =

12 20

10. 12 + 7 = + = = =PROBLEM

SET

11 15# 20

FIND A COMMON

DENOMINATOR

NAME: ____________________________ DATE: _____________ PERIOD: ____________________________


COMBINE THE

NUMERATORS

SIMPLIFY

FRACTION

FINAL

ANSWER

1. 12 + 24 = + = = =

16 20

2. 18 - 11 = - = = =

15 15

3. 25 - 4 = - = = =

19 3

4. 2 + 6 = + = = =

9 3

5. 11 - 13 = - = = =

21 8

6. 1 - 17 = - = = =

21 9

7. 6 - 18 = - = = =

3 2

8. 2 + 12 = + = = =

3 20

9. 6 - 5 = - = = =

12 24

10. 10 + 12 = + = = =PROBLEM

SET

12 3# 21

FIND A COMMON

DENOMINATOR

NAME: ____________________________ DATE: _____________ PERIOD: ____________________________


COMBINE THE

NUMERATORS

SIMPLIFY

FRACTION

FINAL

ANSWER

1. 15 - 20 = - = = =

12 11

2. 15 + 24 = + = = =

13 19

3. 12 - 18 = - = = =

2 24

4. 23 + 21 = + = = =

5 18

5. 21 - 5 = - = = =

12 23

6. 1 - 20 = - = = =

6 1

7. 18 + 17 = + = = =

8 7

8. 9 - 25 = - = = =

14 9

9. 20 + 23 = + = = =

14 11

10. 14 - 17 = - = = =PROBLEM

SET

14 2# 22

FIND A COMMON

DENOMINATOR

NAME: ____________________________ DATE: _____________ PERIOD: ____________________________


COMBINE THE

NUMERATORS

SIMPLIFY

FRACTION

FINAL

ANSWER

1. 16 + 10 = + = = =

2 17

2. 8 + 12 = + = = =

22 8

3. 13 + 12 = + = = =

3 3

4. 11 + 12 = + = = =

14 15

5. 20 - 20 = - = = =

1 3

6. 25 + 6 = + = = =

16 10

7. 17 + 3 = + = = =

15 1

8. 8 - 21 = - = = =

15 11

9. 13 + 5 = + = = =

6 10

10. 15 - 15 = - = = =PROBLEM

SET

6 1# 23

FIND A COMMON

DENOMINATOR

NAME: ____________________________ DATE: _____________ PERIOD: ____________________________


COMBINE THE

NUMERATORS

SIMPLIFY

FRACTION

FINAL

ANSWER

1. 24 + 4 = + = = =

4 13

2. 16 - 19 = - = = =

3 4

3. 12 + 18 = + = = =

22 2

4. 8 - 20 = - = = =

11 10

5. 7 - 7 = - = = =

2 22

6. 9 - 8 = - = = =

21 18

7. 20 + 21 = + = = =

8 4

8. 14 - 19 = - = = =

2 24

9. 1 + 15 = + = = =

4 7

10. 8 + 13 = + = = =PROBLEM

SET

10 14# 24

FIND A COMMON

DENOMINATOR

NAME: ____________________________ DATE: _____________ PERIOD: ____________________________

MR. SULLIVAN ADDING AND SUBTRACTING …cdn-media1.teachertube.com/doc601/2077.pdfmr. sullivan adding...

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