Subtract 21/63 from 12/16
12/16 - 21/63 is 5/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 63 is 1008
Next, find the equivalent fraction of both fractional numbers with denominator 1008 - For the 1st fraction, since 16 × 63 = 1008,
12/16 = 12 × 63/16 × 63 = 756/1008 - Likewise, for the 2nd fraction, since 63 × 16 = 1008,
21/63 = 21 × 16/63 × 16 = 336/1008 - Subtract the two like fractions:
756/1008 - 336/1008 = 756 - 336/1008 = 420/1008 - After reducing the fraction, the answer is 5/12
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