Add 21/24 and 18/12
1st number: 21/24, 2nd number: 1 6/12
21/24 + 18/12 is 19/8.
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,
21/24 = 21 × 1/24 × 1 = 21/24 - Likewise, for the 2nd fraction, since 12 × 2 = 24,
18/12 = 18 × 2/12 × 2 = 36/24 - Add the two like fractions:
21/24 + 36/24 = 21 + 36/24 = 57/24 - 57/24 simplified gives 19/8
- So, 21/24 + 18/12 = 19/8
In mixed form: 23/8
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