Subtract 14/30 from 21/64
21/64 - 14/30 is -133/960.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 30 is 960
Next, find the equivalent fraction of both fractional numbers with denominator 960 - For the 1st fraction, since 64 × 15 = 960,
21/64 = 21 × 15/64 × 15 = 315/960 - Likewise, for the 2nd fraction, since 30 × 32 = 960,
14/30 = 14 × 32/30 × 32 = 448/960 - Subtract the two like fractions:
315/960 - 448/960 = 315 - 448/960 = -133/960
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