Ratios

 

Simplifying

 

1.       Make sure the units are the same

2.       Cancel down to the simplest form, like cancelling down a fraction

 

eg.        210cm : 3.15m

 

 

       

       

        

 

1 : n

 

Divide BOTH numbers by the first

 

n : 1

 

Divide BOTH numbers by the second