Subtract 9/12 from 25/54
25/54 - 9/12 is -31/108.
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,
25/54 = 25 × 2/54 × 2 = 50/108 - Likewise, for the 2nd fraction, since 12 × 9 = 108,
9/12 = 9 × 9/12 × 9 = 81/108 - Subtract the two like fractions:
50/108 - 81/108 = 50 - 81/108 = -31/108
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