Question

Simplify the ratio 2.8 to 6.4

Answer 1

First, multiply both sides by 10:

$2.8\colon6.4\rightarrow28\colon64$

And divide both sides by 4:

$28\colon64\rightarrow\frac{28}{4}\colon\frac{64}{4}\rightarrow7\colon16$

This way, the simplified ratio is:

$7\colon16$