Subtraction of Two Integers

1. Rewrite Subtraction as Addition


1. Keep the first number (the minuend) the same


2. Change Subtraction to Addition


3. Flip the sign of the second number (the subtrahend)


2. Add the Integers


1. If the signs are the same, then ignore the signs and add the numbers


2. If the signs are different, then ignore the signs and calculate

"Larger" - "Smaller"

3. The Result will take the sign of the "Larger"

• "Larger refers to the larger of the numbers when signs are ignored"


• "Smaller refers to the smaller of the numbers when signs are ignored"

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Copyright 2022, Ronald H. Moore