Subtract 2/27 from 4/64, Solve 4/64

Subtract 2/27 from 4/64

4/64 - 2/27 is -5/432.

Find the least common denominator or LCM of the two denominators:
LCM of 64 and 27 is 1728

Next, find the equivalent fraction of both fractional numbers with denominator 1728
For the 1st fraction, since 64 × 27 = 1728,
4/64 = 4 × 27/64 × 27 = 108/1728
Likewise, for the 2nd fraction, since 27 × 64 = 1728,
2/27 = 2 × 64/27 × 64 = 128/1728
Subtract the two like fractions:
108/1728 - 128/1728 = 108 - 128/1728 = -20/1728
After reducing the fraction, the answer is -5/432

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