Subtract 21/32 from 28/63
28/63 - 21/32 is -61/288.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 32 is 2016
Next, find the equivalent fraction of both fractional numbers with denominator 2016 - For the 1st fraction, since 63 × 32 = 2016,
28/63 = 28 × 32/63 × 32 = 896/2016 - Likewise, for the 2nd fraction, since 32 × 63 = 2016,
21/32 = 21 × 63/32 × 63 = 1323/2016 - Subtract the two like fractions:
896/2016 - 1323/2016 = 896 - 1323/2016 = -427/2016 - After reducing the fraction, the answer is -61/288
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