Subtract 4/12 from 5/63, Solve 5/63

Subtract 4/12 from 5/63

5/63 - 4/12 is -16/63.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 12 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 63 × 4 = 252,
5/63 = 5 × 4/63 × 4 = 20/252
Likewise, for the 2nd fraction, since 12 × 21 = 252,
4/12 = 4 × 21/12 × 21 = 84/252
Subtract the two like fractions:
20/252 - 84/252 = 20 - 84/252 = -64/252
After reducing the fraction, the answer is -16/63

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