Add 3/9 and 9/12
3/9 + 9/12 is 13/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
3/9 = 3 × 4/9 × 4 = 12/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
9/12 = 9 × 3/12 × 3 = 27/36 - Add the two like fractions:
12/36 + 27/36 = 12 + 27/36 = 39/36 - 39/36 simplified gives 13/12
- So, 3/9 + 9/12 = 13/12
In mixed form: 11/12
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