Subtract 4/64 from 8/7, Solve 1 1/7

Subtract 4/64 from 8/7

1^st number: 1 1/7, 2^nd number: 4/64

8/7 - 4/64 is 121/112.

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,
8/7 = 8 × 64/7 × 64 = 512/448
Likewise, for the 2nd fraction, since 64 × 7 = 448,
4/64 = 4 × 7/64 × 7 = 28/448
Subtract the two like fractions:
512/448 - 28/448 = 512 - 28/448 = 484/448
After reducing the fraction, the answer is 121/112
In mixed form: 19/112

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