Subtract 8/12 from 63/98, Solve 63/98

Subtract 8/12 from 63/98

63/98 - 8/12 is -1/42.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 12 is 588

Next, find the equivalent fraction of both fractional numbers with denominator 588
For the 1st fraction, since 98 × 6 = 588,
63/98 = 63 × 6/98 × 6 = 378/588
Likewise, for the 2nd fraction, since 12 × 49 = 588,
8/12 = 8 × 49/12 × 49 = 392/588
Subtract the two like fractions:
378/588 - 392/588 = 378 - 392/588 = -14/588
After reducing the fraction, the answer is -1/42

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