What is the sum of 3 and 42?

The answer you get when you add 3 and 42 together is called the sum. The sum of 3 and 42 is displayed below:

45

In math terms, the sum of 3 and 42 would be written as follows:

3 + 42 = 45

When you need to find the sum of numbers such as 3 and 42, just remember that you need to add the numbers together to get the sum.

Sum Calculator
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