Find two rational number between 1 2 and 2 3

- Find any two rational number between 1 2 and 2 3
- Find two rational number between 1 2 and 3 4
- Find two rational number between 1 2 and 3 5
- Find two rational number between 1 6 and 2 3
- Find any two rational number between 1 2 and 4 3
- Find two rational number between-2/3 and 1/4
- Find two rational number between 1 and 3 upon 2
- Find two rational number between 1/3 and 1/2
- How to find a rational number between two numbers