Subtract 16/12 from 81/27, Solve 3 0/27

Subtract 16/12 from 81/27

1^st number: 3 0/27, 2^nd number: 1 4/12

81/27 - 16/12 is 5/3.

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

Next, find the equivalent fraction of both fractional numbers with denominator 108
For the 1st fraction, since 27 × 4 = 108,
81/27 = 81 × 4/27 × 4 = 324/108
Likewise, for the 2nd fraction, since 12 × 9 = 108,
16/12 = 16 × 9/12 × 9 = 144/108
Subtract the two like fractions:
324/108 - 144/108 = 324 - 144/108 = 180/108
After reducing the fraction, the answer is 5/3
In mixed form: 12/3

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