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How do you find an equivalent fraction?
Example:
In this lesson you will learn how to find equivalent
fractions by using the identity principle.
Thinking that fractions are equivalent because they have the same numerator.
A common mistake is…
35
38
Let’s Review
Fractions that look different can be equivalent (have the same value)
12
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The Identity Principle If you multiply or divide any number by 1,
you get the same number.
3 x 1 = 3
3 _ 1 = 3
This also works for fractions.
x 1 = _ 1 =
1 can also be a fraction. When the numerator and denominator are the same, the fraction equals 1.
22 = 1
1616
= 144
= 1
What if we multiplied or divided a fraction by a fraction that equaled one?
x = _ =918
12
Example:
x =
_ =
In this lesson you learned how to find equivalent fractions by using the identity principle.