What is the sum of 12 and 15?

The answer you get when you add 12 and 15 together is called the sum. The sum of 12 and 15 is displayed below:

27

In math terms, the sum of 12 and 15 would be written as follows:

12 + 15 = 27

When you need to find the sum of numbers such as 12 and 15, just remember that you need to add the numbers together to get the sum.

Sum Calculator
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