Subtract 63/42 from 18/96
1st number: 18/96, 2nd number: 1 21/42
18/96 - 63/42 is -21/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 96 and 42 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 96 × 7 = 672,
18/96 = 18 × 7/96 × 7 = 126/672 - Likewise, for the 2nd fraction, since 42 × 16 = 672,
63/42 = 63 × 16/42 × 16 = 1008/672 - Subtract the two like fractions:
126/672 - 1008/672 = 126 - 1008/672 = -882/672 - After reducing the fraction, the answer is -21/16
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