Add 15/24 and 81/40
1st number: 15/24, 2nd number: 2 1/40
15/24 + 81/40 is 53/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
15/24 = 15 × 5/24 × 5 = 75/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
81/40 = 81 × 3/40 × 3 = 243/120 - Add the two like fractions:
75/120 + 243/120 = 75 + 243/120 = 318/120 - 318/120 simplified gives 53/20
- So, 15/24 + 81/40 = 53/20
In mixed form: 213/20
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