What is the sum of 9 and 39?

The answer you get when you add 9 and 39 together is called the sum. The sum of 9 and 39 is displayed below:

48

In math terms, the sum of 9 and 39 would be written as follows:

9 + 39 = 48

When you need to find the sum of numbers such as 9 and 39, just remember that you need to add the numbers together to get the sum.

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