Subtract 27/64 from 12/15, Solve 12/15

Subtract 27/64 from 12/15

12/15 - 27/64 is 121/320.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 64 is 960

Next, find the equivalent fraction of both fractional numbers with denominator 960
For the 1st fraction, since 15 × 64 = 960,
12/15 = 12 × 64/15 × 64 = 768/960
Likewise, for the 2nd fraction, since 64 × 15 = 960,
27/64 = 27 × 15/64 × 15 = 405/960
Subtract the two like fractions:
768/960 - 405/960 = 768 - 405/960 = 363/960
After reducing the fraction, the answer is 121/320

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