Subtract 7/64 from 90/7
1st number: 12 6/7, 2nd number: 7/64
90/7 - 7/64 is 5711/448.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 64 is 448
Next, find the equivalent fraction of both fractional numbers with denominator 448 - For the 1st fraction, since 7 × 64 = 448,
90/7 = 90 × 64/7 × 64 = 5760/448 - Likewise, for the 2nd fraction, since 64 × 7 = 448,
7/64 = 7 × 7/64 × 7 = 49/448 - Subtract the two like fractions:
5760/448 - 49/448 = 5760 - 49/448 = 5711/448 - In mixed form: 12335/448
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