Add 10/9 and 20/5
1st number: 1 1/9, 2nd number: 4 0/5
10/9 + 20/5 is 46/9.
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,
10/9 = 10 × 5/9 × 5 = 50/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
20/5 = 20 × 9/5 × 9 = 180/45 - Add the two like fractions:
50/45 + 180/45 = 50 + 180/45 = 230/45 - 230/45 simplified gives 46/9
- So, 10/9 + 20/5 = 46/9
In mixed form: 51/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/9+20/5 10/9+40/5 10/18+20/5 10/9+20/10 30/9+20/5 10/9+60/5 10/27+20/5 10/9+20/15 50/9+20/5 10/45+20/5 10/9+20/25 70/9+20/5 10/63+20/5 10/9+20/35