Subtract 3/63 from 21/32
21/32 - 3/63 is 409/672.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 63 is 2016
Next, find the equivalent fraction of both fractional numbers with denominator 2016 - For the 1st fraction, since 32 × 63 = 2016,
21/32 = 21 × 63/32 × 63 = 1323/2016 - Likewise, for the 2nd fraction, since 63 × 32 = 2016,
3/63 = 3 × 32/63 × 32 = 96/2016 - Subtract the two like fractions:
1323/2016 - 96/2016 = 1323 - 96/2016 = 1227/2016 - After reducing the fraction, the answer is 409/672
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