Let us have a review. Directions: Tell whether the ratio is in its simplest form or not. Write YES or NO on a separate sheet of paper.
6. 5:6
1. 7 to 9
7. 8 to 24
2. 10 to 16
8. 3:15
3. 13:17
9. 22 to 23
4. 6 to 8
10. 20:30
5. 21:24​