Subtract 63/64 from 4/15
4/15 - 63/64 is -689/960.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 64 is 960
Next, find the equivalent fraction of both fractional numbers with denominator 960 - For the 1st fraction, since 15 × 64 = 960,
4/15 = 4 × 64/15 × 64 = 256/960 - Likewise, for the 2nd fraction, since 64 × 15 = 960,
63/64 = 63 × 15/64 × 15 = 945/960 - Subtract the two like fractions:
256/960 - 945/960 = 256 - 945/960 = -689/960
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