Add 9/20 and 6/9
9/20 + 6/9 is 67/60.
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,
9/20 = 9 × 9/20 × 9 = 81/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
6/9 = 6 × 20/9 × 20 = 120/180 - Add the two like fractions:
81/180 + 120/180 = 81 + 120/180 = 201/180 - 201/180 simplified gives 67/60
- So, 9/20 + 6/9 = 67/60
In mixed form: 17/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/20+6/9 9/20+12/9 9/40+6/9 9/20+6/18 27/20+6/9 9/20+18/9 9/60+6/9 9/20+6/27 45/20+6/9 9/20+30/9 9/20+6/45 63/20+6/9 9/20+42/9 9/20+6/63