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First you must make the two denominators (the bottom numbers) be the same number most common denominator is 12.so you do 6x2 and 2x2 because what you do do to the top you must do to the bottom the 3/4 it would be 4x3 and 3x3.Then the problem would be 9/12 - 4/12. That would equal 5/12.

Answer:5/12

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13y ago

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