Subtract 75/54 from 20/18
1st number: 1 2/18, 2nd number: 1 21/54
20/18 - 75/54 is -5/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 18 × 3 = 54,
20/18 = 20 × 3/18 × 3 = 60/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
75/54 = 75 × 1/54 × 1 = 75/54 - Subtract the two like fractions:
60/54 - 75/54 = 60 - 75/54 = -15/54 - After reducing the fraction, the answer is -5/18
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