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

Subtract 7/98 from 7/15

7/15 - 7/98 is 83/210.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 98 is 1470

Next, find the equivalent fraction of both fractional numbers with denominator 1470
For the 1st fraction, since 15 × 98 = 1470,
7/15 = 7 × 98/15 × 98 = 686/1470
Likewise, for the 2nd fraction, since 98 × 15 = 1470,
7/98 = 7 × 15/98 × 15 = 105/1470
Subtract the two like fractions:
686/1470 - 105/1470 = 686 - 105/1470 = 581/1470
After reducing the fraction, the answer is 83/210

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