Add 9/12 and 9/3
1st number: 9/12, 2nd number: 3 0/3
9/12 + 9/3 is 15/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 3 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 12 × 1 = 12,
9/12 = 9 × 1/12 × 1 = 9/12 - Likewise, for the 2nd fraction, since 3 × 4 = 12,
9/3 = 9 × 4/3 × 4 = 36/12 - Add the two like fractions:
9/12 + 36/12 = 9 + 36/12 = 45/12 - 45/12 simplified gives 15/4
- So, 9/12 + 9/3 = 15/4
In mixed form: 33/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/12+9/3 9/12+18/3 9/24+9/3 9/12+9/6 27/12+9/3 9/12+27/3 9/36+9/3 45/12+9/3 9/12+45/3 9/60+9/3 9/12+9/15 63/12+9/3 9/12+63/3 9/84+9/3 9/12+9/21