Answer
Sum
Work Step by Step
The number 21 from the above addition problem is called the $\textbf{sum}$.
The $\textbf{sum}$ is the result of adding two or more numbers.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.