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Published byJohn Perry Modified over 9 years ago

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Adding Fractions

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1.Add numerators — 8 Adding Fractions with Like Denominators = 1 12 ++ 2 12 5 12 8 12

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1.Add numerators — 8 2.Reduce fraction to lowest possible terms if necessary — Adding Fractions with Like Denominators 8 12 = 1 12 ++ 2 12 5 12 8 12 = 2 3

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1.Find lowest common denominator — 18 1313 5656 7979 = 18 Adding Fractions with Unlike Denominators

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7979 1.Find lowest common denominator — 18 2.Divide lowest common denominator by denominator of each fraction to find quotient 1313 5656 7979 = 18,, 1313 5656 = 18 3 = 6 = 18 6 = 3 = 18 9 = 2 Adding Fractions with Unlike Denominators

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3.Multiply numerators and denominators of each fraction by quotient to rewrite fraction Adding Fractions with Unlike Denominators 1313 1 6 6 3 6 18 == 5656 5 3 15 6 3 18 == 7979 7 2 14 9 2 18 ==

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4.Add numerators of rewritten fractions — 35 = 6 18 ++ 35 18 15 18 14 18 Adding Fractions with Unlike Denominators

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4.Add numerators of rewritten fractions — 35 5.Reduce fraction to lowest possible terms or convert improper fraction to mixed fraction if necessary — = 6 18 ++ 35 18 15 18 14 18 35 8 17 18 1 = Adding Fractions with Unlike Denominators

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