Subtract 35/14 from 10/72, Solve 10/72

Subtract 35/14 from 10/72

1^st number: 10/72, 2^nd number: 2 7/14

10/72 - 35/14 is -85/36.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 14 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 72 × 7 = 504,
10/72 = 10 × 7/72 × 7 = 70/504
Likewise, for the 2nd fraction, since 14 × 36 = 504,
35/14 = 35 × 36/14 × 36 = 1260/504
Subtract the two like fractions:
70/504 - 1260/504 = 70 - 1260/504 = -1190/504
After reducing the fraction, the answer is -85/36

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