FractionsMath FAIL 5 Stars4 Stars3 Stars2 Stars1 Star 3.57 (7 votes) How do they work? Source:http://i.imgur.com/rs4rG.jpg Submitted by Unknown.
![rs4rG[1]](https://math-fail.com/wp-content/uploads/rs4rG1-600x667.jpg "rs4rG[1]")
need to weight the values
1/2*2/5+1/3*3/5=2/5