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Glencoe Math: Course 2, Volume 1 View details

8. Divide Fractions

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Exercise 3 Page 331

Dividing fractions is the same as multiplying the first fraction by the reciprocal of the second fraction.

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Practice makes perfect

First, let's rewrite the mixed number as a fractions.

1/2 ÷ 7 12

MixedToFrac

a bc=a* c+b/c

1/2 ÷ 7 * 2+1/2

Multiply

1/2 ÷ 14+1/2

AddTerms

Add terms

1/2 ÷ 15/2

Now, recall that dividing fractions is the same as multiplying the first fraction by the reciprocal of the second fraction. 1/2 ÷ 15/2=1/2 * 2/15 When we multiply fractions, we need to remember that the product of two fractions is equal to the product of the numerators divided by the product of the denominators. Let's find the given product!

1/2 * 2/15

MultFrac

Multiply fractions

1 * 2/2 * 15

CancelCommonFac

Cancel out common factors

1 * 2/2 * 15

SimpQuot

Simplify quotient

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