Adding Binary Numbers

Adding binary numbers works in the same way as denary, just with fewer base numbers! If you follow the 5 basic rules you cannot go wrong:

• 0 + 0 = 0
• 0 + 1 = 1
• 1 + 0 = 1
• 1 + 1 = 0 (carry the 1 over to the left)
• 1 + 1 + 1 (from being carried over) = 1 (carry the 1 over to the left)

In the example below we will add together 2 binary numbers: