Subtract 15/27 from 1/63, Solve 1/63

Subtract 15/27 from 1/63

1/63 - 15/27 is -34/63.

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

Next, find the equivalent fraction of both fractional numbers with denominator 189
For the 1st fraction, since 63 × 3 = 189,
1/63 = 1 × 3/63 × 3 = 3/189
Likewise, for the 2nd fraction, since 27 × 7 = 189,
15/27 = 15 × 7/27 × 7 = 105/189
Subtract the two like fractions:
3/189 - 105/189 = 3 - 105/189 = -102/189
After reducing the fraction, the answer is -34/63

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