150:306

To simplify the ratio 150:306, you want to divide both sides by their greatest common divisor (GCD).

1. Determine the GCD of 150 and 306.

   • The factors of 150 are 1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, and 150.
   • The factors of 306 are 1, 2, 3, 6, 9, 17, 34, 51, 102, and 153.
   • The common factors are 1, 2, 3, and 6. The GCD is 6.

2. Divide both numbers in the ratio by 6:

   • 150 ÷ 6 = 25
   • 306 ÷ 6 = 51

So, the simplified ratio is 25:51.