Subtract 75/54 from 12/18
1st number: 12/18, 2nd number: 1 21/54
12/18 - 75/54 is -13/18.
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,
12/18 = 12 × 3/18 × 3 = 36/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
75/54 = 75 × 1/54 × 1 = 75/54 - Subtract the two like fractions:
36/54 - 75/54 = 36 - 75/54 = -39/54 - After reducing the fraction, the answer is -13/18
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