Subtract 42/16 from 8/98, Solve 8/98

Subtract 42/16 from 8/98

1^st number: 8/98, 2^nd number: 2 10/16

8/98 - 42/16 is -997/392.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 16 is 784

Next, find the equivalent fraction of both fractional numbers with denominator 784
For the 1st fraction, since 98 × 8 = 784,
8/98 = 8 × 8/98 × 8 = 64/784
Likewise, for the 2nd fraction, since 16 × 49 = 784,
42/16 = 42 × 49/16 × 49 = 2058/784
Subtract the two like fractions:
64/784 - 2058/784 = 64 - 2058/784 = -1994/784
After reducing the fraction, the answer is -997/392

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