What is the sum of 2 and 1?

The answer you get when you add 2 and 1 together is called the sum. The sum of 2 and 1 is displayed below:

3

In math terms, the sum of 2 and 1 would be written as follows:

2 + 1 = 3

When you need to find the sum of numbers such as 2 and 1, just remember that you need to add the numbers together to get the sum.

Sum Calculator
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