What is the sum of 12 and 51?

The answer you get when you add 12 and 51 together is called the sum. The sum of 12 and 51 is displayed below:

63

In math terms, the sum of 12 and 51 would be written as follows:

12 + 51 = 63

When you need to find the sum of numbers such as 12 and 51, just remember that you need to add the numbers together to get the sum.

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