Add 21/10 and 9/24
1st number: 2 1/10, 2nd number: 9/24
21/10 + 9/24 is 99/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 10 × 12 = 120,
21/10 = 21 × 12/10 × 12 = 252/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
9/24 = 9 × 5/24 × 5 = 45/120 - Add the two like fractions:
252/120 + 45/120 = 252 + 45/120 = 297/120 - 297/120 simplified gives 99/40
- So, 21/10 + 9/24 = 99/40
In mixed form: 219/40
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