the sum is example 2+2=4, 4 is the sum
adding
When adding, the answer is called the sum.
The answer for adding is called a "sum"
The result of adding two numbers is their sum.
By Adding
adding numbers together has the answer to the sum.
An answer to an adding problem is called a "sum"
By adding.
The sum.
The sum. the sum of
A sum just means adding things up.
Adding