Add 2/12 and 21/9
1st number: 2/12, 2nd number: 2 3/9
2/12 + 21/9 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
2/12 = 2 × 3/12 × 3 = 6/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
21/9 = 21 × 4/9 × 4 = 84/36 - Add the two like fractions:
6/36 + 84/36 = 6 + 84/36 = 90/36 - 90/36 simplified gives 5/2
- So, 2/12 + 21/9 = 5/2
In mixed form: 21/2
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