Add 30/9 and 14/20
1st number: 3 3/9, 2nd number: 14/20
30/9 + 14/20 is 121/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
30/9 = 30 × 20/9 × 20 = 600/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
14/20 = 14 × 9/20 × 9 = 126/180 - Add the two like fractions:
600/180 + 126/180 = 600 + 126/180 = 726/180 - 726/180 simplified gives 121/30
- So, 30/9 + 14/20 = 121/30
In mixed form: 41/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/9+14/20 30/9+28/20 30/18+14/20 30/9+14/40 90/9+14/20 30/9+42/20 30/27+14/20 30/9+14/60 30/9+70/20 30/45+14/20 30/9+98/20 30/63+14/20