Subtract 60/49 from 15/72, Solve 15/72

Subtract 60/49 from 15/72

1^st number: 15/72, 2^nd number: 1 11/49

15/72 - 60/49 is -1195/1176.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 49 is 3528

Next, find the equivalent fraction of both fractional numbers with denominator 3528
For the 1st fraction, since 72 × 49 = 3528,
15/72 = 15 × 49/72 × 49 = 735/3528
Likewise, for the 2nd fraction, since 49 × 72 = 3528,
60/49 = 60 × 72/49 × 72 = 4320/3528
Subtract the two like fractions:
735/3528 - 4320/3528 = 735 - 4320/3528 = -3585/3528
After reducing the fraction, the answer is -1195/1176

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