Subtract 7/98 from 5/15, Solve 5/15

Subtract 7/98 from 5/15

5/15 - 7/98 is 11/42.

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,
5/15 = 5 × 98/15 × 98 = 490/1470
Likewise, for the 2nd fraction, since 98 × 15 = 1470,
7/98 = 7 × 15/98 × 15 = 105/1470
Subtract the two like fractions:
490/1470 - 105/1470 = 490 - 105/1470 = 385/1470
After reducing the fraction, the answer is 11/42

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