Subtract 6/64 from 21/28
21/28 - 6/64 is 21/32.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 64 is 448
Next, find the equivalent fraction of both fractional numbers with denominator 448 - For the 1st fraction, since 28 × 16 = 448,
21/28 = 21 × 16/28 × 16 = 336/448 - Likewise, for the 2nd fraction, since 64 × 7 = 448,
6/64 = 6 × 7/64 × 7 = 42/448 - Subtract the two like fractions:
336/448 - 42/448 = 336 - 42/448 = 294/448 - After reducing the fraction, the answer is 21/32
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