# Programmed Math/Subtraction

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Prerequisites: Addition

Subtraction deals with the taking away of numbers, like number a from number b so that: a >= b while b > a. Such a case is with:

${\displaystyle 36-5=31}$.

a = 36 and b = 5.

So a - b = 36-５ = 31, a >= b is true.

Subtraction is the inverse of addition, meaning that it is the opposite.