Add 6/20 and 30/9
1st number: 6/20, 2nd number: 3 3/9
6/20 + 30/9 is 109/30.
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,
30/9 = 30 × 20/9 × 20 = 600/180 - Add the two like fractions:
54/180 + 600/180 = 54 + 600/180 = 654/180 - 654/180 simplified gives 109/30
- So, 6/20 + 30/9 = 109/30
In mixed form: 319/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/20+30/9 6/20+60/9 6/40+30/9 6/20+30/18 18/20+30/9 6/20+90/9 6/60+30/9 6/20+30/27 30/20+30/9 6/20+30/45 42/20+30/9 6/20+30/63