Subtract 63/4 from 30/27, Solve 1 3/27

Subtract 63/4 from 30/27

1^st number: 1 3/27, 2^nd number: 15 3/4

30/27 - 63/4 is -527/36.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 4 is 108

Next, find the equivalent fraction of both fractional numbers with denominator 108
For the 1st fraction, since 27 × 4 = 108,
30/27 = 30 × 4/27 × 4 = 120/108
Likewise, for the 2nd fraction, since 4 × 27 = 108,
63/4 = 63 × 27/4 × 27 = 1701/108
Subtract the two like fractions:
120/108 - 1701/108 = 120 - 1701/108 = -1581/108
After reducing the fraction, the answer is -527/36

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