Subtract 42/63 from 4/27, Solve 4/27

Subtract 42/63 from 4/27

4/27 - 42/63 is -14/27.

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,
4/27 = 4 × 7/27 × 7 = 28/189
Likewise, for the 2nd fraction, since 63 × 3 = 189,
42/63 = 42 × 3/63 × 3 = 126/189
Subtract the two like fractions:
28/189 - 126/189 = 28 - 126/189 = -98/189
After reducing the fraction, the answer is -14/27

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