Subtract 98/64 from 16/42, Solve 16/42

Subtract 98/64 from 16/42

1^st number: 16/42, 2^nd number: 1 34/64

16/42 - 98/64 is -773/672.

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,
16/42 = 16 × 32/42 × 32 = 512/1344
Likewise, for the 2nd fraction, since 64 × 21 = 1344,
98/64 = 98 × 21/64 × 21 = 2058/1344
Subtract the two like fractions:
512/1344 - 2058/1344 = 512 - 2058/1344 = -1546/1344
After reducing the fraction, the answer is -773/672

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