Subtract 80/49 from 60/72, Solve 60/72

Subtract 80/49 from 60/72

1^st number: 60/72, 2^nd number: 1 31/49

60/72 - 80/49 is -235/294.

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,
60/72 = 60 × 49/72 × 49 = 2940/3528
Likewise, for the 2nd fraction, since 49 × 72 = 3528,
80/49 = 80 × 72/49 × 72 = 5760/3528
Subtract the two like fractions:
2940/3528 - 5760/3528 = 2940 - 5760/3528 = -2820/3528
After reducing the fraction, the answer is -235/294

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