Subtract 28/32 from 8/98, Solve 8/98

Subtract 28/32 from 8/98

8/98 - 28/32 is -311/392.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 32 is 1568

Next, find the equivalent fraction of both fractional numbers with denominator 1568
For the 1st fraction, since 98 × 16 = 1568,
8/98 = 8 × 16/98 × 16 = 128/1568
Likewise, for the 2nd fraction, since 32 × 49 = 1568,
28/32 = 28 × 49/32 × 49 = 1372/1568
Subtract the two like fractions:
128/1568 - 1372/1568 = 128 - 1372/1568 = -1244/1568
After reducing the fraction, the answer is -311/392

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