Add 81/24 and 15/20
1st number: 3 9/24, 2nd number: 15/20
81/24 + 15/20 is 33/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 20 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 20 × 6 = 120,
15/20 = 15 × 6/20 × 6 = 90/120 - Add the two like fractions:
405/120 + 90/120 = 405 + 90/120 = 495/120 - 495/120 simplified gives 33/8
- So, 81/24 + 15/20 = 33/8
In mixed form: 41/8
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