Subtract 63/32 from 21/18
1st number: 1 3/18, 2nd number: 1 31/32
21/18 - 63/32 is -77/96.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 32 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 18 × 16 = 288,
21/18 = 21 × 16/18 × 16 = 336/288 - Likewise, for the 2nd fraction, since 32 × 9 = 288,
63/32 = 63 × 9/32 × 9 = 567/288 - Subtract the two like fractions:
336/288 - 567/288 = 336 - 567/288 = -231/288 - After reducing the fraction, the answer is -77/96
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