Subtract 81/27 from 5/2
1st number: 2 1/2, 2nd number: 3 0/27
5/2 - 81/27 is -1/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 2 × 27 = 54,
5/2 = 5 × 27/2 × 27 = 135/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
81/27 = 81 × 2/27 × 2 = 162/54 - Subtract the two like fractions:
135/54 - 162/54 = 135 - 162/54 = -27/54 - After reducing the fraction, the answer is -1/2
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