Recognize and Generate Equivalent Fractions

Equivalent Fractions

How do we find them?

How do I create equivalent fractions?

• Just remember -

• Whatever you do to the top, you have to do on the bottom.

1/2 = __________

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How do I create equivalent fractions?

• 1/3 = x/9

• In this example, think about what you need to do to go from 3 to 9. In other words, think "3 times what is 9?"

• Hopefully we know that 3 times 3 is 9, so that means we are multiplying 1/3 x 3. Multiply the bottom AND top by 3.

Multiple Choice

So then 1/3 =

• 3/9

• 1/9

1/3 = 3/9

• We did 1x3 = 3 to get the numerator.

• We did 3x3 = 9 to get the denominator.

• So, 1/3 = 3/9

• Let's try a few more...

Multiple Choice

1/5 =

• 1/10

• 2/10

• 2/5

Just remember -

Whatever you do to the top, you have to do the same to the bottom.

Multiple Choice

3/4 =

• 9/12

• 2/8

Multiple Choice

6/7 =

• 3/14

• 7/14

• 12/14