-16 - 7 = -23
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16
The answer is 6/7 minus 2/5 = 16/35
-2 no way the question is 7--9 which is 16
38 minus 16 is 22.
1/4 = 4/16 - multiply top and bottom by 4. Now both numbers are 16ths so just subtract 4 from 7 and the answer is 3, (3/16) I think your calculation must be 7/16 minus 1/4 because you can't subtract 7 from 4.