Subtract 56/21 from 8/36, Solve 8/36

Subtract 56/21 from 8/36

1^st number: 8/36, 2^nd number: 2 14/21

8/36 - 56/21 is -22/9.

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,
8/36 = 8 × 7/36 × 7 = 56/252
Likewise, for the 2nd fraction, since 21 × 12 = 252,
56/21 = 56 × 12/21 × 12 = 672/252
Subtract the two like fractions:
56/252 - 672/252 = 56 - 672/252 = -616/252
After reducing the fraction, the answer is -22/9

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