Add 20/36 and 21/9
1st number: 20/36, 2nd number: 2 3/9
20/36 + 21/9 is 26/9.
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,
20/36 = 20 × 1/36 × 1 = 20/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
21/9 = 21 × 4/9 × 4 = 84/36 - Add the two like fractions:
20/36 + 84/36 = 20 + 84/36 = 104/36 - 104/36 simplified gives 26/9
- So, 20/36 + 21/9 = 26/9
In mixed form: 28/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/36+21/9 20/36+42/9 20/72+21/9 20/36+21/18 60/36+21/9 20/36+63/9 20/36+21/27 20/36+21/45 20/36+21/63