MULTIPLYING FRACTIONS How to do…… 1.Check to see that you have fractions and NOT mixed numbers....
7
MULTIPLYING FRACTIONS How to do…… 1. Check to see that you have fractions and NOT mixed numbers. 2. If you have mixed numbers, make them into IMPROPER FRACTIONS. 3. Now multiply numerator times numerator and denominator times denominator – STRAIGHT ACROSS! 4. If your answer is an improper fraction, convert to to a mixed number by dividing. Words to know………. Numerator is also called the top # And the denominator can be called the bottom # x + x + 3 1 1 8 3 4 3 1 1 8 3 4 3 4 8 35 3 4 8 35 24 140 24 140 140 24 24 20 5 6 5 5
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Transcript of MULTIPLYING FRACTIONS How to do…… 1.Check to see that you have fractions and NOT mixed numbers....
MULTIPLYING FRACTIONS
How to do……
1. Check to see that you have fractions and NOT mixed numbers.2. If you have mixed numbers, make them into IMPROPER FRACTIONS.
3. Now multiply numerator times numerator and denominator times denominator – STRAIGHT ACROSS!
4. If your answer is an improper fraction, convert to to a mixed number by dividing.
Words to know……….Numerator is also called the top #And the denominator can be called the bottom #
3
11
8
34
3
11
8
34 x
+
x
+
3
4
8
35
3
4
8
35
24
140
24
140
1402424205
655
85
543
73
54 12
85
519
710
514
When dividing fractions, you DO NOT have to find a common denominator!
All mixed numbers and whole numbers must be converted to fractions.
The only part that is different from multiplying fractions, is finding the reciprocal of the second
fraction. (flip-flop)
Keep, Change, Flip
41
43
21
53
5
14
5
35
Practice!
• Get a lined piece of paper.• Fold it into 8ths.• First box put your full name.• Then, number 1-15.• You will write the expression for each
answer. Show your steps to get credit.
