Subtract 48/63 from 21/48
21/48 - 48/63 is -109/336.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 63 is 1008
Next, find the equivalent fraction of both fractional numbers with denominator 1008 - For the 1st fraction, since 48 × 21 = 1008,
21/48 = 21 × 21/48 × 21 = 441/1008 - Likewise, for the 2nd fraction, since 63 × 16 = 1008,
48/63 = 48 × 16/63 × 16 = 768/1008 - Subtract the two like fractions:
441/1008 - 768/1008 = 441 - 768/1008 = -327/1008 - After reducing the fraction, the answer is -109/336
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