Subtract 21/64 from 3/60
3/60 - 21/64 is -89/320.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 64 is 960
Next, find the equivalent fraction of both fractional numbers with denominator 960 - For the 1st fraction, since 60 × 16 = 960,
3/60 = 3 × 16/60 × 16 = 48/960 - Likewise, for the 2nd fraction, since 64 × 15 = 960,
21/64 = 21 × 15/64 × 15 = 315/960 - Subtract the two like fractions:
48/960 - 315/960 = 48 - 315/960 = -267/960 - After reducing the fraction, the answer is -89/320
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