Subtract 28/64 from 56/54, Solve 1 2/54

Subtract 28/64 from 56/54

1^st number: 1 2/54, 2^nd number: 28/64

56/54 - 28/64 is 259/432.

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

Next, find the equivalent fraction of both fractional numbers with denominator 1728
For the 1st fraction, since 54 × 32 = 1728,
56/54 = 56 × 32/54 × 32 = 1792/1728
Likewise, for the 2nd fraction, since 64 × 27 = 1728,
28/64 = 28 × 27/64 × 27 = 756/1728
Subtract the two like fractions:
1792/1728 - 756/1728 = 1792 - 756/1728 = 1036/1728
After reducing the fraction, the answer is 259/432

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