How do you reduce the ratio 27 to 36?

To reduce the ratio 27 to 36, you need to find the greatest common factor (GCF) of the two numbers, which in this case is 9. Divide both numbers by the GCF to simplify the ratio. So, 27 ÷ 9 = 3 and 36 ÷ 9 = 4. Therefore, the reduced ratio of 27 to 36 is 3:4.