Subtract 4/15 from 81/24
1st number: 3 9/24, 2nd number: 4/15
81/24 - 4/15 is 373/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 15 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 15 × 8 = 120,
4/15 = 4 × 8/15 × 8 = 32/120 - Subtract the two like fractions:
405/120 - 32/120 = 405 - 32/120 = 373/120 - In mixed form: 313/120
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