Question

In Ms. Harrington's sixth grade 
class, 

25 
out of 
30 
students bought their lunch. How many students out of every 
6 
bought their lunch?

Answer 1

So,

This question is asking us to divide the fraction so that we get a denominator of six.

Divide both the numerator and denominator by 5.
$\frac{5}{6}$