Respuesta :

2/3 2/3 shows 2 out of 3, in this case meaning 2 out of 3 baseballs
Alex has 3 baseballs. 
He brings 2 baseballs to school. 
What fraction of his baseballs does Alex bring to school?

The fraction will look like this:

Baseballs Alex takes to school/Total baseballs
n =  Baseballs Alex takes to school
d = 
Total baseballs
n = 2
d = 3

2/3

Alex brings 2/3 of his baseballs to school!