Subtract 18/24 from 81/4
1st number: 20 1/4, 2nd number: 18/24
81/4 - 18/24 is 39/2.
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,
81/4 = 81 × 6/4 × 6 = 486/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
18/24 = 18 × 1/24 × 1 = 18/24 - Subtract the two like fractions:
486/24 - 18/24 = 486 - 18/24 = 468/24 - After reducing the fraction, the answer is 39/2
- In mixed form: 191/2
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