Add 28/3 and 35/20
1st number: 9 1/3, 2nd number: 1 15/20
28/3 + 35/20 is 133/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 3 × 20 = 60,
28/3 = 28 × 20/3 × 20 = 560/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
35/20 = 35 × 3/20 × 3 = 105/60 - Add the two like fractions:
560/60 + 105/60 = 560 + 105/60 = 665/60 - 665/60 simplified gives 133/12
- So, 28/3 + 35/20 = 133/12
In mixed form: 111/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/3+35/20 28/3+70/20 28/6+35/20 28/3+35/40 84/3+35/20 28/9+35/20 28/3+35/60 28/15+35/20 28/21+35/20