Subtract 20/54 from 10/36
10/36 - 20/54 is -5/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 54 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 36 × 3 = 108,
10/36 = 10 × 3/36 × 3 = 30/108 - Likewise, for the 2nd fraction, since 54 × 2 = 108,
20/54 = 20 × 2/54 × 2 = 40/108 - Subtract the two like fractions:
30/108 - 40/108 = 30 - 40/108 = -10/108 - After reducing the fraction, the answer is -5/54
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