Subtract 2/64 from 21/7, Solve 3 0/7

Subtract 2/64 from 21/7

1^st number: 3 0/7, 2^nd number: 2/64

21/7 - 2/64 is 95/32.

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,
21/7 = 21 × 64/7 × 64 = 1344/448
Likewise, for the 2nd fraction, since 64 × 7 = 448,
2/64 = 2 × 7/64 × 7 = 14/448
Subtract the two like fractions:
1344/448 - 14/448 = 1344 - 14/448 = 1330/448
After reducing the fraction, the answer is 95/32
In mixed form: 231/32

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