Subtract 81/42 from 8/14
1st number: 8/14, 2nd number: 1 39/42
8/14 - 81/42 is -19/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
8/14 = 8 × 3/14 × 3 = 24/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
81/42 = 81 × 1/42 × 1 = 81/42 - Subtract the two like fractions:
24/42 - 81/42 = 24 - 81/42 = -57/42 - After reducing the fraction, the answer is -19/14
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