Translation

追加 / 足し算 / 加えること

Meaning

Addition means adding something, or something that has been added. It can be a math operation, a new feature, a new person, or extra information. Do not confuse it with edition, which means a published version of a book, newspaper, or other work.

Examples

• この機能はアプリへの便利な追加です。
  This feature is a useful addition to the app.
• 足し算と引き算を復習しましょう。
  Let's review addition and subtraction.