Add 30/9 and 20/5
1st number: 3 3/9, 2nd number: 4 0/5
30/9 + 20/5 is 22/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 5 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
30/9 = 30 × 5/9 × 5 = 150/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
20/5 = 20 × 9/5 × 9 = 180/45 - Add the two like fractions:
150/45 + 180/45 = 150 + 180/45 = 330/45 - 330/45 simplified gives 22/3
- So, 30/9 + 20/5 = 22/3
In mixed form: 71/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/9+20/5 30/9+40/5 30/18+20/5 30/9+20/10 90/9+20/5 30/9+60/5 30/27+20/5 30/9+20/15 30/45+20/5 30/9+20/25 30/63+20/5 30/9+20/35