Subtract 81/42 from 2/24
1st number: 2/24, 2nd number: 1 39/42
2/24 - 81/42 is -155/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 42 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
2/24 = 2 × 7/24 × 7 = 14/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
81/42 = 81 × 4/42 × 4 = 324/168 - Subtract the two like fractions:
14/168 - 324/168 = 14 - 324/168 = -310/168 - After reducing the fraction, the answer is -155/84
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