Subtract 7/16 from 10/90, Solve 10/90

Subtract 7/16 from 10/90

10/90 - 7/16 is -47/144.

Find the least common denominator or LCM of the two denominators:
LCM of 90 and 16 is 720

Next, find the equivalent fraction of both fractional numbers with denominator 720
For the 1st fraction, since 90 × 8 = 720,
10/90 = 10 × 8/90 × 8 = 80/720
Likewise, for the 2nd fraction, since 16 × 45 = 720,
7/16 = 7 × 45/16 × 45 = 315/720
Subtract the two like fractions:
80/720 - 315/720 = 80 - 315/720 = -235/720
After reducing the fraction, the answer is -47/144

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