Subtract 2/54 from 28/64, Solve 28/64

Subtract 2/54 from 28/64

28/64 - 2/54 is 173/432.

Find the least common denominator or LCM of the two denominators:
LCM of 64 and 54 is 1728

Next, find the equivalent fraction of both fractional numbers with denominator 1728
For the 1st fraction, since 64 × 27 = 1728,
28/64 = 28 × 27/64 × 27 = 756/1728
Likewise, for the 2nd fraction, since 54 × 32 = 1728,
2/54 = 2 × 32/54 × 32 = 64/1728
Subtract the two like fractions:
756/1728 - 64/1728 = 756 - 64/1728 = 692/1728
After reducing the fraction, the answer is 173/432

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