Subtract 90/64 from 1/15
1st number: 1/15, 2nd number: 1 26/64
1/15 - 90/64 is -643/480.
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,
1/15 = 1 × 64/15 × 64 = 64/960 - Likewise, for the 2nd fraction, since 64 × 15 = 960,
90/64 = 90 × 15/64 × 15 = 1350/960 - Subtract the two like fractions:
64/960 - 1350/960 = 64 - 1350/960 = -1286/960 - After reducing the fraction, the answer is -643/480
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