Subtract 4/27 from 8/64, Solve 8/64

Subtract 4/27 from 8/64

8/64 - 4/27 is -5/216.

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,
8/64 = 8 × 27/64 × 27 = 216/1728
Likewise, for the 2nd fraction, since 27 × 64 = 1728,
4/27 = 4 × 64/27 × 64 = 256/1728
Subtract the two like fractions:
216/1728 - 256/1728 = 216 - 256/1728 = -40/1728
After reducing the fraction, the answer is -5/216

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