Subtract 28/27 from 35/63, Solve 35/63

Subtract 28/27 from 35/63

1^st number: 35/63, 2^nd number: 1 1/27

35/63 - 28/27 is -13/27.

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,
35/63 = 35 × 3/63 × 3 = 105/189
Likewise, for the 2nd fraction, since 27 × 7 = 189,
28/27 = 28 × 7/27 × 7 = 196/189
Subtract the two like fractions:
105/189 - 196/189 = 105 - 196/189 = -91/189
After reducing the fraction, the answer is -13/27

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