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

Subtract 63/27 from 10/63

1^st number: 10/63, 2^nd number: 2 9/27

10/63 - 63/27 is -137/63.

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,
10/63 = 10 × 3/63 × 3 = 30/189
Likewise, for the 2nd fraction, since 27 × 7 = 189,
63/27 = 63 × 7/27 × 7 = 441/189
Subtract the two like fractions:
30/189 - 441/189 = 30 - 441/189 = -411/189
After reducing the fraction, the answer is -137/63

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