Add 3/9 and 20/5
1st number: 3/9, 2nd number: 4 0/5
3/9 + 20/5 is 13/3.
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,
3/9 = 3 × 5/9 × 5 = 15/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
20/5 = 20 × 9/5 × 9 = 180/45 - Add the two like fractions:
15/45 + 180/45 = 15 + 180/45 = 195/45 - 195/45 simplified gives 13/3
- So, 3/9 + 20/5 = 13/3
In mixed form: 41/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/9+20/5 3/9+40/5 3/18+20/5 3/9+20/10 3/9+60/5 3/27+20/5 3/9+20/15 15/9+20/5 3/45+20/5 3/9+20/25 21/9+20/5 3/63+20/5 3/9+20/35