Math

How much is -3 1/5 + 12 3/8?

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  1. You need to first get a common denominator.

    12 3/8 = 12 15/40
    3 1/5 = 3 8/40

    12 15/40 - 3 8/40 = ?

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    Ms. Sue
  2. so the answer is 9 7/40

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  3. Right.

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    Ms. Sue

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