Subtract 63/32 from 28/42
1st number: 28/42, 2nd number: 1 31/32
28/42 - 63/32 is -125/96.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 32 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 42 × 16 = 672,
28/42 = 28 × 16/42 × 16 = 448/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
63/32 = 63 × 21/32 × 21 = 1323/672 - Subtract the two like fractions:
448/672 - 1323/672 = 448 - 1323/672 = -875/672 - After reducing the fraction, the answer is -125/96
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