What is the sum of 51 and 89?

The answer you get when you add 51 and 89 together is called the sum. The sum of 51 and 89 is displayed below:

140

In math terms, the sum of 51 and 89 would be written as follows:

51 + 89 = 140

When you need to find the sum of numbers such as 51 and 89, just remember that you need to add the numbers together to get the sum.

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