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Binary Addition and Subtraction

Binary Adding

Rules of binary adding:-

  • 0+0= 0 sum of 0 with a carry of 0
  • 0+1=1 sum of 1 with a carry of 0
  • 1+0=1 sum of 1 with a carry of 0
  • 1+1=0 sum of 0 with a carry of 1

How to convert decimal into binary:

Screenshot 2023 09 14 123248

Convert the remaining by yourself.

Conversion Table

Decimal NumberBinary Equivalent
00 0 0 0
10 0 0 1
20 0 1 0
30 0 1 1
40 1 0 0
50 1 0 1
60 1 1 0
70 1 1 1
81 0 0 0
91 0 0 1
101 0 1 0
111 0 1 1
121 1 0 0
131 1 0 1
141 1 1 0
151 1 1 1
Fig:-Table of Decimal number to Binary Equivalent

Binary subtraction:-

Rules of binary subtraction:-

  • 0-0= 0
  • 1-1= 0
  • 1-0= 1
  • 0-1= 1 with a borrow of 1
    Note:-In binary 10-1=1, not 9

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