Add 81/40 and 56/60
1st number: 2 1/40, 2nd number: 56/60
81/40 + 56/60 is 71/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 60 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 60 × 2 = 120,
56/60 = 56 × 2/60 × 2 = 112/120 - Add the two like fractions:
243/120 + 112/120 = 243 + 112/120 = 355/120 - 355/120 simplified gives 71/24
- So, 81/40 + 56/60 = 71/24
In mixed form: 223/24
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