Add 81/40 and 20/24
1st number: 2 1/40, 2nd number: 20/24
81/40 + 20/24 is 343/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
81/40 = 81 × 3/40 × 3 = 243/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
20/24 = 20 × 5/24 × 5 = 100/120 - Add the two like fractions:
243/120 + 100/120 = 243 + 100/120 = 343/120 - So, 81/40 + 20/24 = 343/120
In mixed form: 2103/120
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