Add 80/36 and 20/9
1st number: 2 8/36, 2nd number: 2 2/9
80/36 + 20/9 is 40/9.
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,
80/36 = 80 × 1/36 × 1 = 80/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
20/9 = 20 × 4/9 × 4 = 80/36 - Add the two like fractions:
80/36 + 80/36 = 80 + 80/36 = 160/36 - 160/36 simplified gives 40/9
- So, 80/36 + 20/9 = 40/9
In mixed form: 44/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/36+40/9 80/72+20/9 80/36+20/18 80/36+60/9 80/36+20/27 80/36+20/45 80/36+20/63