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Posted by Tyler on Tuesday, February 26, 2008 at 8:31pm.

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

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 = ?

so the answer is 9 7/40

Right.

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