Question

How do you simplify the ratio: 21 to 33?

Answer 1

You find a number that divides into both.

Explanation:

`21=3xx7` and `33=3xx11`

So the ratio goes to:

`(cancel3xx7)/(cancel3xx11)=7/11`

`7and 11` have no common divisors anymore, so we leave the ratio as `7div11`.