Subtract 15/63 from 10/98, Solve 10/98

Subtract 15/63 from 10/98

10/98 - 15/63 is -20/147.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 63 is 882

Next, find the equivalent fraction of both fractional numbers with denominator 882
For the 1st fraction, since 98 × 9 = 882,
10/98 = 10 × 9/98 × 9 = 90/882
Likewise, for the 2nd fraction, since 63 × 14 = 882,
15/63 = 15 × 14/63 × 14 = 210/882
Subtract the two like fractions:
90/882 - 210/882 = 90 - 210/882 = -120/882
After reducing the fraction, the answer is -20/147

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