Subtract 27/18 from 45/54
1st number: 45/54, 2nd number: 1 9/18
45/54 - 27/18 is -2/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 18 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 54 × 1 = 54,
45/54 = 45 × 1/54 × 1 = 45/54 - Likewise, for the 2nd fraction, since 18 × 3 = 54,
27/18 = 27 × 3/18 × 3 = 81/54 - Subtract the two like fractions:
45/54 - 81/54 = 45 - 81/54 = -36/54 - After reducing the fraction, the answer is -2/3
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