Add 20/9 and 10/4
1st number: 2 2/9, 2nd number: 2 2/4
20/9 + 10/4 is 85/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
20/9 = 20 × 4/9 × 4 = 80/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
10/4 = 10 × 9/4 × 9 = 90/36 - Add the two like fractions:
80/36 + 90/36 = 80 + 90/36 = 170/36 - 170/36 simplified gives 85/18
- So, 20/9 + 10/4 = 85/18
In mixed form: 413/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/9+10/4 20/9+20/4 20/18+10/4 20/9+10/8 60/9+10/4 20/9+30/4 20/27+10/4 20/9+10/12 20/9+50/4 20/45+10/4 20/9+10/20 20/9+70/4 20/63+10/4 20/9+10/28