Subtract 18/24 from 81/2
1st number: 40 1/2, 2nd number: 18/24
81/2 - 18/24 is 159/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 24 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 2 × 12 = 24,
81/2 = 81 × 12/2 × 12 = 972/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
18/24 = 18 × 1/24 × 1 = 18/24 - Subtract the two like fractions:
972/24 - 18/24 = 972 - 18/24 = 954/24 - After reducing the fraction, the answer is 159/4
- In mixed form: 393/4
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