Add 20/40 and 42/24
1st number: 20/40, 2nd number: 1 18/24
20/40 + 42/24 is 9/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
20/40 = 20 × 3/40 × 3 = 60/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
42/24 = 42 × 5/24 × 5 = 210/120 - Add the two like fractions:
60/120 + 210/120 = 60 + 210/120 = 270/120 - 270/120 simplified gives 9/4
- So, 20/40 + 42/24 = 9/4
In mixed form: 21/4
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