7/20+(-11/12) I I had 77/220 and that was wrong. I cant figure this out.

asked Oct 6, 2018 98.8k views

5 votes

7/20+(-11/12)

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

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3 votes

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

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7 votes

The answer you put is wrong. It should be:

-17/30

Thorsten Viel answered Oct 12, 2018

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