Subtract 90/14 from 81/64
1st number: 1 17/64, 2nd number: 6 6/14
81/64 - 90/14 is -2313/448.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 14 is 448
Next, find the equivalent fraction of both fractional numbers with denominator 448 - For the 1st fraction, since 64 × 7 = 448,
81/64 = 81 × 7/64 × 7 = 567/448 - Likewise, for the 2nd fraction, since 14 × 32 = 448,
90/14 = 90 × 32/14 × 32 = 2880/448 - Subtract the two like fractions:
567/448 - 2880/448 = 567 - 2880/448 = -2313/448
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