Add 18/12 and 27/24
1st number: 1 6/12, 2nd number: 1 3/24
18/12 + 27/24 is 21/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 24 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 12 × 2 = 24,
18/12 = 18 × 2/12 × 2 = 36/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
27/24 = 27 × 1/24 × 1 = 27/24 - Add the two like fractions:
36/24 + 27/24 = 36 + 27/24 = 63/24 - 63/24 simplified gives 21/8
- So, 18/12 + 27/24 = 21/8
In mixed form: 25/8
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