Subtract 14/64 from 49/42, Solve 1 7/42

Subtract 14/64 from 49/42

1^st number: 1 7/42, 2^nd number: 14/64

49/42 - 14/64 is 91/96.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 64 is 1344

Next, find the equivalent fraction of both fractional numbers with denominator 1344
For the 1st fraction, since 42 × 32 = 1344,
49/42 = 49 × 32/42 × 32 = 1568/1344
Likewise, for the 2nd fraction, since 64 × 21 = 1344,
14/64 = 14 × 21/64 × 21 = 294/1344
Subtract the two like fractions:
1568/1344 - 294/1344 = 1568 - 294/1344 = 1274/1344
After reducing the fraction, the answer is 91/96

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