Subtract 28/63 from 10/27, Solve 10/27

Subtract 28/63 from 10/27

10/27 - 28/63 is -2/27.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 63 is 189

Next, find the equivalent fraction of both fractional numbers with denominator 189
For the 1st fraction, since 27 × 7 = 189,
10/27 = 10 × 7/27 × 7 = 70/189
Likewise, for the 2nd fraction, since 63 × 3 = 189,
28/63 = 28 × 3/63 × 3 = 84/189
Subtract the two like fractions:
70/189 - 84/189 = 70 - 84/189 = -14/189
After reducing the fraction, the answer is -2/27

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