Subtract 12/15 from 25/98, Solve 25/98

Subtract 12/15 from 25/98

25/98 - 12/15 is -267/490.

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

Next, find the equivalent fraction of both fractional numbers with denominator 1470
For the 1st fraction, since 98 × 15 = 1470,
25/98 = 25 × 15/98 × 15 = 375/1470
Likewise, for the 2nd fraction, since 15 × 98 = 1470,
12/15 = 12 × 98/15 × 98 = 1176/1470
Subtract the two like fractions:
375/1470 - 1176/1470 = 375 - 1176/1470 = -801/1470
After reducing the fraction, the answer is -267/490

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