Subtract 5/64 from 9/42, Solve 9/42

Subtract 5/64 from 9/42

9/42 - 5/64 is 61/448.

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,
9/42 = 9 × 32/42 × 32 = 288/1344
Likewise, for the 2nd fraction, since 64 × 21 = 1344,
5/64 = 5 × 21/64 × 21 = 105/1344
Subtract the two like fractions:
288/1344 - 105/1344 = 288 - 105/1344 = 183/1344
After reducing the fraction, the answer is 61/448

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