Subtract 21/48 from 8/63
8/63 - 21/48 is -313/1008.
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,
8/63 = 8 × 16/63 × 16 = 128/1008 - Likewise, for the 2nd fraction, since 48 × 21 = 1008,
21/48 = 21 × 21/48 × 21 = 441/1008 - Subtract the two like fractions:
128/1008 - 441/1008 = 128 - 441/1008 = -313/1008
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