Lesson 1: Expressing one value as a fraction of another given their ratio and vice versa. M6NSlla-129 Exercise Set A Direction: Write each ratio as a fraction. 1. 9 to 10 2. 6 to 15 3. 3 out of 7 4. 20 to 18 5. 8 out of 13 6. 1 out of 6 7. 5 : 100 8. 16 : 40 9. 12 : 18 10. 15 : 30