Question

What is 1/2 divided by 1/5?

Answer 1

It is `2 1/2`

Explanation:

Division of 2 radical numbers is the same as multiplication of the first number by the inverse of the second number:

`a/b:c/d=a/b*d/c`

So in the given example we have:

`1/2:1/5=1/2*5/1=5/2=2 1/2`