Add 24/40 and 21/12
1st number: 24/40, 2nd number: 1 9/12
24/40 + 21/12 is 47/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 12 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
24/40 = 24 × 3/40 × 3 = 72/120 - Likewise, for the 2nd fraction, since 12 × 10 = 120,
21/12 = 21 × 10/12 × 10 = 210/120 - Add the two like fractions:
72/120 + 210/120 = 72 + 210/120 = 282/120 - 282/120 simplified gives 47/20
- So, 24/40 + 21/12 = 47/20
In mixed form: 27/20
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