Subtract 28/12 from 5/63, Solve 5/63

Subtract 28/12 from 5/63

1^st number: 5/63, 2^nd number: 2 4/12

5/63 - 28/12 is -142/63.

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,
28/12 = 28 × 21/12 × 21 = 588/252
Subtract the two like fractions:
20/252 - 588/252 = 20 - 588/252 = -568/252
After reducing the fraction, the answer is -142/63

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