Subtract 1/64 from 21/75
21/75 - 1/64 is 423/1600.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 64 is 4800
Next, find the equivalent fraction of both fractional numbers with denominator 4800 - For the 1st fraction, since 75 × 64 = 4800,
21/75 = 21 × 64/75 × 64 = 1344/4800 - Likewise, for the 2nd fraction, since 64 × 75 = 4800,
1/64 = 1 × 75/64 × 75 = 75/4800 - Subtract the two like fractions:
1344/4800 - 75/4800 = 1344 - 75/4800 = 1269/4800 - After reducing the fraction, the answer is 423/1600
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