Add 81/24 and 21/10
1st number: 3 9/24, 2nd number: 2 1/10
81/24 + 21/10 is 219/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 10 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 10 × 12 = 120,
21/10 = 21 × 12/10 × 12 = 252/120 - Add the two like fractions:
405/120 + 252/120 = 405 + 252/120 = 657/120 - 657/120 simplified gives 219/40
- So, 81/24 + 21/10 = 219/40
In mixed form: 519/40
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