Subtract 21/64 from 24/84
24/84 - 21/64 is -19/448.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 64 is 1344
Next, find the equivalent fraction of both fractional numbers with denominator 1344 - For the 1st fraction, since 84 × 16 = 1344,
24/84 = 24 × 16/84 × 16 = 384/1344 - Likewise, for the 2nd fraction, since 64 × 21 = 1344,
21/64 = 21 × 21/64 × 21 = 441/1344 - Subtract the two like fractions:
384/1344 - 441/1344 = 384 - 441/1344 = -57/1344 - After reducing the fraction, the answer is -19/448
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