Add 9/20 and 42/24
1st number: 9/20, 2nd number: 1 18/24
9/20 + 42/24 is 11/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 20 × 6 = 120,
9/20 = 9 × 6/20 × 6 = 54/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
42/24 = 42 × 5/24 × 5 = 210/120 - Add the two like fractions:
54/120 + 210/120 = 54 + 210/120 = 264/120 - 264/120 simplified gives 11/5
- So, 9/20 + 42/24 = 11/5
In mixed form: 21/5
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