Subtract 9/16 from 18/63
18/63 - 9/16 is -31/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 16 is 1008
Next, find the equivalent fraction of both fractional numbers with denominator 1008 - For the 1st fraction, since 63 × 16 = 1008,
18/63 = 18 × 16/63 × 16 = 288/1008 - Likewise, for the 2nd fraction, since 16 × 63 = 1008,
9/16 = 9 × 63/16 × 63 = 567/1008 - Subtract the two like fractions:
288/1008 - 567/1008 = 288 - 567/1008 = -279/1008 - After reducing the fraction, the answer is -31/112
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