Subtract 28/98 from 4/15, Solve 4/15

Subtract 28/98 from 4/15

4/15 - 28/98 is -2/105.

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,
4/15 = 4 × 98/15 × 98 = 392/1470
Likewise, for the 2nd fraction, since 98 × 15 = 1470,
28/98 = 28 × 15/98 × 15 = 420/1470
Subtract the two like fractions:
392/1470 - 420/1470 = 392 - 420/1470 = -28/1470
After reducing the fraction, the answer is -2/105

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