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Dividing Fractions Lesson 5-3

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**To Divide Fractions: Rewrite the first fraction.**

Change the division sign to a multiplication sign. Flip the second fraction upside down. Multiply.

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Reciprocal When you flip the second fraction, you are writing that fraction’s reciprocal. 3 5 5 3

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Example 1 1 1 ÷ 2 3 Rewrite: 1 2 2 x = 1 3 3

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Example 2 4 4 ÷ 5 9 Rewrite: 1 4 9 9 4 1 x = = 4 1 5 5 5

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Example 3 12 3 ÷ 5 1 Rewrite: 20 4 12 5 20 x = = 1 1 3 1

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Example 4 1 2 ÷ 6 1 Rewrite: 1 1 1 x = 6 2 12

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Homework Time

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Dividing Rational Expressions Use the following steps to divide rational expressions. 1.Take the reciprocal of the rational expression following the division.

Dividing Rational Expressions Use the following steps to divide rational expressions. 1.Take the reciprocal of the rational expression following the division.

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