Subtract 40/48 from 27/63
27/63 - 40/48 is -17/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 48 is 1008
Next, find the equivalent fraction of both fractional numbers with denominator 1008 - For the 1st fraction, since 63 × 16 = 1008,
27/63 = 27 × 16/63 × 16 = 432/1008 - Likewise, for the 2nd fraction, since 48 × 21 = 1008,
40/48 = 40 × 21/48 × 21 = 840/1008 - Subtract the two like fractions:
432/1008 - 840/1008 = 432 - 840/1008 = -408/1008 - After reducing the fraction, the answer is -17/42
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