Subtract 81/8 from 90/24
1st number: 3 18/24, 2nd number: 10 1/8
90/24 - 81/8 is -51/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 24 × 1 = 24,
90/24 = 90 × 1/24 × 1 = 90/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
81/8 = 81 × 3/8 × 3 = 243/24 - Subtract the two like fractions:
90/24 - 243/24 = 90 - 243/24 = -153/24 - After reducing the fraction, the answer is -51/8
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