Add 18/24 and 21/12
1st number: 18/24, 2nd number: 1 9/12
18/24 + 21/12 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 12 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 24 × 1 = 24,
18/24 = 18 × 1/24 × 1 = 18/24 - Likewise, for the 2nd fraction, since 12 × 2 = 24,
21/12 = 21 × 2/12 × 2 = 42/24 - Add the two like fractions:
18/24 + 42/24 = 18 + 42/24 = 60/24 - 60/24 simplified gives 5/2
- So, 18/24 + 21/12 = 5/2
In mixed form: 21/2
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