Subtract 21/64 from 28/30
28/30 - 21/64 is 581/960.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 64 is 960
Next, find the equivalent fraction of both fractional numbers with denominator 960 - For the 1st fraction, since 30 × 32 = 960,
28/30 = 28 × 32/30 × 32 = 896/960 - Likewise, for the 2nd fraction, since 64 × 15 = 960,
21/64 = 21 × 15/64 × 15 = 315/960 - Subtract the two like fractions:
896/960 - 315/960 = 896 - 315/960 = 581/960
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