Subtract 5/12 from 72/27, Solve 2 18/27

Subtract 5/12 from 72/27

1^st number: 2 18/27, 2^nd number: 5/12

72/27 - 5/12 is 9/4.

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,
72/27 = 72 × 4/27 × 4 = 288/108
Likewise, for the 2nd fraction, since 12 × 9 = 108,
5/12 = 5 × 9/12 × 9 = 45/108
Subtract the two like fractions:
288/108 - 45/108 = 288 - 45/108 = 243/108
After reducing the fraction, the answer is 9/4
In mixed form: 21/4

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