What is the sum of 8 and 1?

What does it mean when someone asks you for the sum of 8 and 1? The sum is part of the addition equation displayed below.

addend + addend = sum

When someone asks "What is the sum of 8 and 1?" they mean that 8 is an addend and 1 is an addend in an addition equation.

Therefore, as you may have inferred, the sum of 8 and 1 is the same as 8 plus 1. Here is the addition equation with the answer:

8 + 1 = 9

Sum Calculator
Here you can submit a similar sum problem:

Sum of
What is the sum of 8 and 2?
Now you know the answer to "What is the sum of 8 and 1?" Here is the next sum calculation on our list.