Add 28/20 and 7/3
1st number: 1 8/20, 2nd number: 2 1/3
28/20 + 7/3 is 56/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 3 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
28/20 = 28 × 3/20 × 3 = 84/60 - Likewise, for the 2nd fraction, since 3 × 20 = 60,
7/3 = 7 × 20/3 × 20 = 140/60 - Add the two like fractions:
84/60 + 140/60 = 84 + 140/60 = 224/60 - 224/60 simplified gives 56/15
- So, 28/20 + 7/3 = 56/15
In mixed form: 311/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/20+7/3 28/20+14/3 28/40+7/3 28/20+7/6 84/20+7/3 28/20+21/3 28/60+7/3 28/20+7/9 28/20+35/3 28/20+7/15 28/20+49/3 28/20+7/21