The word "adding" is part of a verb. (ex. I am adding two equations. Your verb would then be am adding)
When adding, the answer is called the sum.
The answer for adding is called a "sum"
adding fractions is like adding a WHOLE lot of parts of numbers
Add the double of the previous adding. The following numbers are 36, 68, 132... So it's like: adding 1, adding 2, adding 4, adding 8, adding 16, adding 32, adding 64
your still adding but in a different direction
An answer to an adding problem is called a "sum"