Subtract 3/12 from 7/54
7/54 - 3/12 is -13/108.
Steps for subtracting fractions
- 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,
7/54 = 7 × 2/54 × 2 = 14/108 - Likewise, for the 2nd fraction, since 12 × 9 = 108,
3/12 = 3 × 9/12 × 9 = 27/108 - Subtract the two like fractions:
14/108 - 27/108 = 14 - 27/108 = -13/108
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