## Aptitude – Shortcuts for Addition and Subtraction

Addition is one of the four basic operations of arithmetic, with the others being subtraction, multiplication and division. The addition of two whole numbers is the total amount of those quantities combined. SHORTCUTS IN ADDITION: Addition of numbers close to multiples of ten (e.g. 19, 29, 89, 99 etc.) 116 + 39 = 116 + …

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