Subtract 21/96 from 9/63
9/63 - 21/96 is -17/224.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 96 is 2016
Next, find the equivalent fraction of both fractional numbers with denominator 2016 - For the 1st fraction, since 63 × 32 = 2016,
9/63 = 9 × 32/63 × 32 = 288/2016 - Likewise, for the 2nd fraction, since 96 × 21 = 2016,
21/96 = 21 × 21/96 × 21 = 441/2016 - Subtract the two like fractions:
288/2016 - 441/2016 = 288 - 441/2016 = -153/2016 - After reducing the fraction, the answer is -17/224
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