Subtract 7/18 from 15/98, Solve 15/98

Subtract 7/18 from 15/98

15/98 - 7/18 is -104/441.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 18 is 882

Next, find the equivalent fraction of both fractional numbers with denominator 882
For the 1st fraction, since 98 × 9 = 882,
15/98 = 15 × 9/98 × 9 = 135/882
Likewise, for the 2nd fraction, since 18 × 49 = 882,
7/18 = 7 × 49/18 × 49 = 343/882
Subtract the two like fractions:
135/882 - 343/882 = 135 - 343/882 = -208/882
After reducing the fraction, the answer is -104/441

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