Subtract 50/63 from 12/27, Solve 12/27

Subtract 50/63 from 12/27

12/27 - 50/63 is -22/63.

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,
12/27 = 12 × 7/27 × 7 = 84/189
Likewise, for the 2nd fraction, since 63 × 3 = 189,
50/63 = 50 × 3/63 × 3 = 150/189
Subtract the two like fractions:
84/189 - 150/189 = 84 - 150/189 = -66/189
After reducing the fraction, the answer is -22/63

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