Add 25/12 and 9/18
1st number: 2 1/12, 2nd number: 9/18
25/12 + 9/18 is 31/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
25/12 = 25 × 3/12 × 3 = 75/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
9/18 = 9 × 2/18 × 2 = 18/36 - Add the two like fractions:
75/36 + 18/36 = 75 + 18/36 = 93/36 - 93/36 simplified gives 31/12
- So, 25/12 + 9/18 = 31/12
In mixed form: 27/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/12+9/18 25/24+9/18 25/12+9/36 75/12+9/18 25/12+27/18 25/36+9/18 25/12+9/54 25/12+45/18 25/60+9/18 25/12+9/90 25/12+63/18 25/84+9/18