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Fractions-Simplifying 9 15 = 5 Factors are 1, 3, 9 Factors are 1, 3, 5,15 3 HCF, So 9÷3= HCF, So 15÷3=

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Fractions-Simplifying 18 27 = Factors are 1, 2, 3, 6, 9, 18 Factors are 1, 3, 9, 27 2 HCF 3

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Fractions-Simplifying 12 32 = Factors are 1, 2, 3, 4, 6, 12 Factors are 1, 2, 4, 8, 16, 32 3 HCF 8

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Fractions-Simplifying 7 = Factors are 1, 7 Factors are 1, 2, 4, 7, 14, 28 1 HCF 4 28

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Fractions-Simplifying 8 = Factors are 1, 2, 4, 8 Factors are 1, 2, 4, 7, 14, 28 2 HCF 7 28

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Fractions-Simplifying 11 = Factors are 1, 11 Factors are 1, 13 11 13

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EXAMPLE 1 Dividing a Fraction by a Fraction a. 5 6 10 21 10 5 6 = 1 2 2 7 7 4 = 3 4 1, or b. – 2 7 9 14 – 2 7 9 14 = 2 1 9 = 7 (– 2) 9 – 4 = 1 4 – 2, or.

EXAMPLE 1 Dividing a Fraction by a Fraction a. 5 6 10 21 10 5 6 = 1 2 2 7 7 4 = 3 4 1, or b. – 2 7 9 14 – 2 7 9 14 = 2 1 9 = 7 (– 2) 9 – 4 = 1 4 – 2, or.

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