Subtract 81/14 from 5/2
1st number: 2 1/2, 2nd number: 5 11/14
5/2 - 81/14 is -23/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 14 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 2 × 7 = 14,
5/2 = 5 × 7/2 × 7 = 35/14 - Likewise, for the 2nd fraction, since 14 × 1 = 14,
81/14 = 81 × 1/14 × 1 = 81/14 - Subtract the two like fractions:
35/14 - 81/14 = 35 - 81/14 = -46/14 - After reducing the fraction, the answer is -23/7
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