Subtract 18/6 from 81/2
1st number: 40 1/2, 2nd number: 3 0/6
81/2 - 18/6 is 75/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 6 is 6
Next, find the equivalent fraction of both fractional numbers with denominator 6 - For the 1st fraction, since 2 × 3 = 6,
81/2 = 81 × 3/2 × 3 = 243/6 - Likewise, for the 2nd fraction, since 6 × 1 = 6,
18/6 = 18 × 1/6 × 1 = 18/6 - Subtract the two like fractions:
243/6 - 18/6 = 243 - 18/6 = 225/6 - After reducing the fraction, the answer is 75/2
- In mixed form: 371/2
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