Subtract 15/72 from 10/49, Solve 10/49

Subtract 15/72 from 10/49

10/49 - 15/72 is -5/1176.

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

Next, find the equivalent fraction of both fractional numbers with denominator 3528
For the 1st fraction, since 49 × 72 = 3528,
10/49 = 10 × 72/49 × 72 = 720/3528
Likewise, for the 2nd fraction, since 72 × 49 = 3528,
15/72 = 15 × 49/72 × 49 = 735/3528
Subtract the two like fractions:
720/3528 - 735/3528 = 720 - 735/3528 = -15/3528
After reducing the fraction, the answer is -5/1176

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