Subtract 18/12 from 9/54, Solve 9/54

Subtract 18/12 from 9/54

1^st number: 9/54, 2^nd number: 1 6/12

9/54 - 18/12 is -4/3.

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

Next, find the equivalent fraction of both fractional numbers with denominator 108
For the 1st fraction, since 54 × 2 = 108,
9/54 = 9 × 2/54 × 2 = 18/108
Likewise, for the 2nd fraction, since 12 × 9 = 108,
18/12 = 18 × 9/12 × 9 = 162/108
Subtract the two like fractions:
18/108 - 162/108 = 18 - 162/108 = -144/108
After reducing the fraction, the answer is -4/3

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