Subtract 7/64 from 21/24
21/24 - 7/64 is 49/64.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 64 is 192
Next, find the equivalent fraction of both fractional numbers with denominator 192 - For the 1st fraction, since 24 × 8 = 192,
21/24 = 21 × 8/24 × 8 = 168/192 - Likewise, for the 2nd fraction, since 64 × 3 = 192,
7/64 = 7 × 3/64 × 3 = 21/192 - Subtract the two like fractions:
168/192 - 21/192 = 168 - 21/192 = 147/192 - After reducing the fraction, the answer is 49/64
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