Subtract 5/27 from 4/28, Solve 4/28

Subtract 5/27 from 4/28

4/28 - 5/27 is -8/189.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 27 is 756

Next, find the equivalent fraction of both fractional numbers with denominator 756
For the 1st fraction, since 28 × 27 = 756,
4/28 = 4 × 27/28 × 27 = 108/756
Likewise, for the 2nd fraction, since 27 × 28 = 756,
5/27 = 5 × 28/27 × 28 = 140/756
Subtract the two like fractions:
108/756 - 140/756 = 108 - 140/756 = -32/756
After reducing the fraction, the answer is -8/189

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