Subtract 42/28 from 3/98, Solve 3/98

Subtract 42/28 from 3/98

1^st number: 3/98, 2^nd number: 1 14/28

3/98 - 42/28 is -72/49.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 28 is 196

Next, find the equivalent fraction of both fractional numbers with denominator 196
For the 1st fraction, since 98 × 2 = 196,
3/98 = 3 × 2/98 × 2 = 6/196
Likewise, for the 2nd fraction, since 28 × 7 = 196,
42/28 = 42 × 7/28 × 7 = 294/196
Subtract the two like fractions:
6/196 - 294/196 = 6 - 294/196 = -288/196
After reducing the fraction, the answer is -72/49

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