Order the fraction to least to greatest 7\9 13\18 5\6 2\3

First, you need to have a common denominator for all of them, in this case, they can all go in 18 so that will be the common denominator. 






Now you can tell which ones are the biggest or smallest. So from least to greatest you would have this.

Letter c i’d say

The answer you are looking for is right in front of you it’s c. 3/20