Subtract 35/21 from 7/36, Solve 7/36

Subtract 35/21 from 7/36

1^st number: 7/36, 2^nd number: 1 14/21

7/36 - 35/21 is -53/36.

Find the least common denominator or LCM of the two denominators:
LCM of 36 and 21 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 36 × 7 = 252,
7/36 = 7 × 7/36 × 7 = 49/252
Likewise, for the 2nd fraction, since 21 × 12 = 252,
35/21 = 35 × 12/21 × 12 = 420/252
Subtract the two like fractions:
49/252 - 420/252 = 49 - 420/252 = -371/252
After reducing the fraction, the answer is -53/36

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