the.com/adding
The math everyone agrees on until the bill arrives at a table of friends.
means Combining two or more quantities into a single total — the most fundamental arithmetic operation.
from From Latin addere, to give to, fusing ad- (to) with dare (to give) — addition is literally giving numbers to each other.
First operationTaught before subtraction, multiplication, and regret.
CommutativeOrder never changes the answer, unlike apologies.
Zero's roleAdding zero is the math version of doing nothing.