Subtract 15/64 from 16/21
16/21 - 15/64 is 709/1344.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 64 is 1344
Next, find the equivalent fraction of both fractional numbers with denominator 1344 - For the 1st fraction, since 21 × 64 = 1344,
16/21 = 16 × 64/21 × 64 = 1024/1344 - Likewise, for the 2nd fraction, since 64 × 21 = 1344,
15/64 = 15 × 21/64 × 21 = 315/1344 - Subtract the two like fractions:
1024/1344 - 315/1344 = 1024 - 315/1344 = 709/1344
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