Subtract 81/24 from 7/4
1st number: 1 3/4, 2nd number: 3 9/24
7/4 - 81/24 is -13/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 24 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 4 × 6 = 24,
7/4 = 7 × 6/4 × 6 = 42/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
81/24 = 81 × 1/24 × 1 = 81/24 - Subtract the two like fractions:
42/24 - 81/24 = 42 - 81/24 = -39/24 - After reducing the fraction, the answer is -13/8
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