Subtract 1/64 from 15/42, Solve 15/42

Subtract 1/64 from 15/42

15/42 - 1/64 is 153/448.

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,
15/42 = 15 × 32/42 × 32 = 480/1344
Likewise, for the 2nd fraction, since 64 × 21 = 1344,
1/64 = 1 × 21/64 × 21 = 21/1344
Subtract the two like fractions:
480/1344 - 21/1344 = 480 - 21/1344 = 459/1344
After reducing the fraction, the answer is 153/448

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