Subtract 70/54 from 28/12, Solve 2 4/12

Subtract 70/54 from 28/12

1^st number: 2 4/12, 2^nd number: 1 16/54

28/12 - 70/54 is 28/27.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 54 is 108

Next, find the equivalent fraction of both fractional numbers with denominator 108
For the 1st fraction, since 12 × 9 = 108,
28/12 = 28 × 9/12 × 9 = 252/108
Likewise, for the 2nd fraction, since 54 × 2 = 108,
70/54 = 70 × 2/54 × 2 = 140/108
Subtract the two like fractions:
252/108 - 140/108 = 252 - 140/108 = 112/108
After reducing the fraction, the answer is 28/27
In mixed form: 11/27

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