Subtract 30/27 from 5/12, Solve 5/12

Subtract 30/27 from 5/12

1^st number: 5/12, 2^nd number: 1 3/27

5/12 - 30/27 is -25/36.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 27 is 108

Next, find the equivalent fraction of both fractional numbers with denominator 108
For the 1st fraction, since 12 × 9 = 108,
5/12 = 5 × 9/12 × 9 = 45/108
Likewise, for the 2nd fraction, since 27 × 4 = 108,
30/27 = 30 × 4/27 × 4 = 120/108
Subtract the two like fractions:
45/108 - 120/108 = 45 - 120/108 = -75/108
After reducing the fraction, the answer is -25/36

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