Subtract 75/63 from 2/12, Solve 2/12

Subtract 75/63 from 2/12

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

2/12 - 75/63 is -43/42.

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

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 12 × 21 = 252,
2/12 = 2 × 21/12 × 21 = 42/252
Likewise, for the 2nd fraction, since 63 × 4 = 252,
75/63 = 75 × 4/63 × 4 = 300/252
Subtract the two like fractions:
42/252 - 300/252 = 42 - 300/252 = -258/252
After reducing the fraction, the answer is -43/42

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