Add 15/36 and 6/9
15/36 + 6/9 is 13/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 36 × 1 = 36,
15/36 = 15 × 1/36 × 1 = 15/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
6/9 = 6 × 4/9 × 4 = 24/36 - Add the two like fractions:
15/36 + 24/36 = 15 + 24/36 = 39/36 - 39/36 simplified gives 13/12
- So, 15/36 + 6/9 = 13/12
In mixed form: 11/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/36+6/9 15/36+12/9 15/72+6/9 15/36+6/18 45/36+6/9 15/36+18/9 15/36+6/27 75/36+6/9 15/36+30/9 15/36+6/45 15/36+42/9 15/36+6/63