lec3/2020/arithmetic operations on binary numbers

Arithmetic Operations on Binary Numbers
1. Binary Addition

The four basic rules for adding binary digits (bits) are as follows:
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Examples:
110 6 111 7 1111 15
100 4 011 3 1100 12
_____ _____ ____ ____ ____ ___
1010 10 1010 10 11011 27




2. Binary Subtraction
The four basic rules for subtracting are as follows:
0-0=0
1-1=0
1-0=1
0-1=1 it means 0 – 1 with a borrow of 1
Examples:
11 3 11 3 101 5
01 1 10 2 011 3
_____ _____ _____ _____ _____ ____
10 2 01 1 010 2

110 6 101101 45
101 5 001110 14
_____ _____ _____ _____
001 1 011111 31