Add 12/5 and 21/24
1st number: 2 2/5, 2nd number: 21/24
12/5 + 21/24 is 131/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 5 × 24 = 120,
12/5 = 12 × 24/5 × 24 = 288/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
21/24 = 21 × 5/24 × 5 = 105/120 - Add the two like fractions:
288/120 + 105/120 = 288 + 105/120 = 393/120 - 393/120 simplified gives 131/40
- So, 12/5 + 21/24 = 131/40
In mixed form: 311/40
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