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How would you use prime factorization to subtract these fractions one eighteenth minus one thirtth?

Anonymous

∙ 10y ago

Updated: 11/2/2022

2 x 3 x 3 = 18

2 x 3 x 5 = 30

2 x 3 x 3 x 5 = 90, the LCD

1/18 = 5/90

1/30 = 3/90

5 - 3 = 2/90 = 1/45

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∙ 10y ago

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