Subtract 12/21 from 5/98, Solve 5/98

Subtract 12/21 from 5/98

5/98 - 12/21 is -51/98.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 21 is 294

Next, find the equivalent fraction of both fractional numbers with denominator 294
For the 1st fraction, since 98 × 3 = 294,
5/98 = 5 × 3/98 × 3 = 15/294
Likewise, for the 2nd fraction, since 21 × 14 = 294,
12/21 = 12 × 14/21 × 14 = 168/294
Subtract the two like fractions:
15/294 - 168/294 = 15 - 168/294 = -153/294
After reducing the fraction, the answer is -51/98

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