Add 6/20 and 6/9
6/20 + 6/9 is 29/30.
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,
6/20 = 6 × 9/20 × 9 = 54/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
6/9 = 6 × 20/9 × 20 = 120/180 - Add the two like fractions:
54/180 + 120/180 = 54 + 120/180 = 174/180 - 174/180 simplified gives 29/30
- So, 6/20 + 6/9 = 29/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/20+6/9 6/20+12/9 6/40+6/9 6/20+6/18 18/20+6/9 6/20+18/9 6/60+6/9 6/20+6/27 30/20+6/9 6/20+30/9 6/20+6/45 42/20+6/9 6/20+42/9 6/20+6/63