Subtract 18/10 from 81/24
1st number: 3 9/24, 2nd number: 1 8/10
81/24 - 18/10 is 63/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 10 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
81/24 = 81 × 5/24 × 5 = 405/120 - Likewise, for the 2nd fraction, since 10 × 12 = 120,
18/10 = 18 × 12/10 × 12 = 216/120 - Subtract the two like fractions:
405/120 - 216/120 = 405 - 216/120 = 189/120 - After reducing the fraction, the answer is 63/40
- In mixed form: 123/40
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