Subtract 25/36 from 20/54
20/54 - 25/36 is -35/108.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 36 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 54 × 2 = 108,
20/54 = 20 × 2/54 × 2 = 40/108 - Likewise, for the 2nd fraction, since 36 × 3 = 108,
25/36 = 25 × 3/36 × 3 = 75/108 - Subtract the two like fractions:
40/108 - 75/108 = 40 - 75/108 = -35/108
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