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Published byGervase Lawrence Modified over 9 years ago

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Simplifying Fractions using GCF

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Factor A number that divides evenly into another number. A number that divides evenly into another number.

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Common Factor When two numbers have the same factor.

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Greatest Common Factor The greatest common factor factor is the largest factor between two numbers. 12 = 1, 2, 3, 4, 6, 12 18 = 1, 2, 3, 6, 9, 18 GCF = 6

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What is the Greatest Common Factor? 8 = 1, 2, 4, 8 12 = 1, 2, 3, 4, 6, 12 GCF = 4

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What is the Greatest Common Factor? 6 = 1, 2, 3, 6 18 = 1, 2, 3, 6, 9, 15 GCF = 6

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Simplest Form When the only common factor of the numerator and denominator is 1, 1, the fraction is in simplest form, or it is reduced to lowest terms. 3 4 3 4 ÷ 1 1 =

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How to Simply a Fraction Find the greatest common factor of the numerator and the denominator and divide both by that number.

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Simplifying a Fraction: 12 18 2 3 ÷ 6 6 =

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Simplify: 9 21 3 7 ÷ 3 3 =

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Simplify: 12 20 3 5 ÷ 4 4 =

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Simplify: 10 15 2 3 ÷ 5 5 =

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Simplify: 10 16 5 8 ÷ 2 2 =

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Simplify: 12 16 3 4 ÷ 4 4 =

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Simplify: 3 12 1 4 ÷ 3 3 =

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Simplify: 2 4 1 2 ÷ 2 2 =

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Simplify: 6 9 2 3 ÷ 3 3 =

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