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Unformatted text preview: divide the bottom into the top. 2 5 2 4 1 2 1 2 Simplifying Factors ■ Before you multiply, you can make the problem simpler. ■ You can find the GCF of any numerator and denominator. ■ Find a factor that equally divides the top number and bottom number, divide, and rewrite the problem. Example 1 5 7 x 8 16 In the second fraction, 8 and 16 have a GCF of 8. 8 ÷ 8 = 1 and 16 ÷ 8 = 2 1 2 Now, multiply with the simpler numbers. 5 x 1 = 5 and 7 x 2 = 14. 5 14 Example 2 2 3 x 5 12 The top of the first fraction and the bottom of the second fraction have a common factor. The GCF of 2 and 12 is 2. 2 ÷ 2 = 1, and 12 ÷ 2 = 6. 1 6 Now, multiply: 5 18 Homework Time!...
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 Fall '08
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 Division, Fractions, GCF, Fraction, Elementary arithmetic, Divisor

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