Subtract 7/9 from 8/98, Solve 8/98

Subtract 7/9 from 8/98

8/98 - 7/9 is -307/441.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 9 is 882

Next, find the equivalent fraction of both fractional numbers with denominator 882
For the 1st fraction, since 98 × 9 = 882,
8/98 = 8 × 9/98 × 9 = 72/882
Likewise, for the 2nd fraction, since 9 × 98 = 882,
7/9 = 7 × 98/9 × 98 = 686/882
Subtract the two like fractions:
72/882 - 686/882 = 72 - 686/882 = -614/882
After reducing the fraction, the answer is -307/441

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