Subtract 42/27 from 36/12, Solve 3 0/12

Subtract 42/27 from 36/12

1^st number: 3 0/12, 2^nd number: 1 15/27

36/12 - 42/27 is 13/9.

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,
36/12 = 36 × 9/12 × 9 = 324/108
Likewise, for the 2nd fraction, since 27 × 4 = 108,
42/27 = 42 × 4/27 × 4 = 168/108
Subtract the two like fractions:
324/108 - 168/108 = 324 - 168/108 = 156/108
After reducing the fraction, the answer is 13/9
In mixed form: 14/9

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