Add 3/20 and 20/9
1st number: 3/20, 2nd number: 2 2/9
3/20 + 20/9 is 427/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 9 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
3/20 = 3 × 9/20 × 9 = 27/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
20/9 = 20 × 20/9 × 20 = 400/180 - Add the two like fractions:
27/180 + 400/180 = 27 + 400/180 = 427/180 - So, 3/20 + 20/9 = 427/180
In mixed form: 267/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/20+20/9 3/20+40/9 3/40+20/9 3/20+20/18 9/20+20/9 3/20+60/9 3/60+20/9 3/20+20/27 15/20+20/9 3/20+20/45 21/20+20/9 3/20+20/63