Binary Adding, Subtraction, Multiplication and Division

Binary Operations

A binary signal or number is one that can take only one value: 1 or 0 -or on or off.

Addition Binary Numbers

Rule to follow when binary numbers are added:

• 0 + 0 = 0
• 0 + 1 = 1
• 1 + 0 = 1
• 1 + 1 = 0 (with a carry of 1)

Subtraction Binary Numbers

Rule to follow when binary numbers are subtracted:

• 0 - 0 = 0
• 1 - 0 = 1
• 1 - 1 = 0
• 0 - 1 = 1 (with a borrow of 1)

Multiplication of Binary Numbers

Rule to follow when binary numbers are multiplied:

• 0 × 0 = 0
• 0 × 1 = 0
• 1 × 0 = 0
• 1 × 1 = 1

Division of Binary Numbers

Rule to follow when binary numbers are divided:

• 0 / 1 = 0
• 1 / 1 = 1