Kungfu math p3 slide7 (addition fraction)

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addition of two related fractions within one whole What will we learn today? Fractions Addition

Transcript of Kungfu math p3 slide7 (addition fraction)

Page 1: Kungfu math p3 slide7 (addition fraction)

• addition of two related fractions within one whole

What will we learn today?

Fractions Addition

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Let’s recap what we have learnt

in the previous lecture.

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Equivalent Fractions

Equivalent Fractions have the same value, even though they may look different.

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Looking the diagram, we can say that

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Try these out!

1)½ + ½ =

2)⅛ + ⅛ =

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Solutions

1)½ + ½=

2)⅛ + ⅛ =

2

2

2

8

2 out of 2 parts gives 1 whole.= 1

For addition, we do not add the denominators.Make sure the denominators of the fractions are the same before you addthe numerators.*Did you notice that the answer is not in its simplest form?

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⅛ + ⅛ = =2

8

1

4

÷2

÷2

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Try these out!List the next two equivalent fraction of the given fraction.

1)½=

2)⅛=

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Try these out!List the next two equivalent fraction of the given fraction.

1)½=

2)⅛=

2

4

2

16

3

6

3

24

,

,

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3 simple steps to add fractions:

• Step 1– Make sure the bottom numbers

(denominators) are the same

• Step 2– Add the top numbers (numerators), put the

answer over the denominator.

• Step 3– Simplify the fraction (if necessary).

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For example

Simplify the fraction (if necessary).

Add the top numbers (numerators), put the answer over the denominator.

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Are you ready to try out the questions?