Add 3/12 and 21/24
3/12 + 21/24 is 9/8.
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,
3/12 = 3 × 2/12 × 2 = 6/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
21/24 = 21 × 1/24 × 1 = 21/24 - Add the two like fractions:
6/24 + 21/24 = 6 + 21/24 = 27/24 - 27/24 simplified gives 9/8
- So, 3/12 + 21/24 = 9/8
In mixed form: 11/8
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