Subtract 28/49 from 12/15, Solve 12/15

Subtract 28/49 from 12/15

12/15 - 28/49 is 8/35.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 49 is 735

Next, find the equivalent fraction of both fractional numbers with denominator 735
For the 1st fraction, since 15 × 49 = 735,
12/15 = 12 × 49/15 × 49 = 588/735
Likewise, for the 2nd fraction, since 49 × 15 = 735,
28/49 = 28 × 15/49 × 15 = 420/735
Subtract the two like fractions:
588/735 - 420/735 = 588 - 420/735 = 168/735
After reducing the fraction, the answer is 8/35

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