The ratio 3:6:9 can be simplified by dividing all the numbers by their greatest common divisor (GCD). In this case, the GCD of 3, 6, and 9 is 3.
Dividing each number by 3, we get:
3 ÷ 3 = 1
6 ÷ 3 = 2
9 ÷ 3 = 3
So, the simplified ratio of 3:6:9 is 1:2:3.
~~~Harsha~~~