Seudónimo Seudónimo

06-03-2017
Mathematics

contestada

7/20+(-11/12)

I I had 77/220 and that was wrong. I cant figure this out.

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Аноним Аноним

06-03-2017

The answer you put is wrong. It should be:

-17/30

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texaschic101 texaschic101

06-03-2017

7/20 + (-11/12) =
7/20 - 11/12 =
84/240 - 220/240 =
-136/240 reduces to -17/30

Answer Link

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