What is 9+6?

9+6 is a basic mathematical operation known as addition. When you add the numbers 9 and 6, the result is 15. This can be written as the equation 9 + 6 = 15. Addition is the process of combining two or more numbers to find their total sum. In this case, when you add 9 and 6, you are combining them to reach a final value of 15.