What is the sum of 99 and 10?

The answer you get when you add 99 and 10 together is called the sum. The sum of 99 and 10 is displayed below:

109

In math terms, the sum of 99 and 10 would be written as follows:

99 + 10 = 109

When you need to find the sum of numbers such as 99 and 10, just remember that you need to add the numbers together to get the sum.

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