Subtract 8/12 from 27/63
27/63 - 8/12 is -5/21.
Steps for subtracting fractions
- 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,
27/63 = 27 × 4/63 × 4 = 108/252 - Likewise, for the 2nd fraction, since 12 × 21 = 252,
8/12 = 8 × 21/12 × 21 = 168/252 - Subtract the two like fractions:
108/252 - 168/252 = 108 - 168/252 = -60/252 - After reducing the fraction, the answer is -5/21
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