Arithmation Operation Using 1's Complement

 Subtraction  Using 1'S Complement (A-B)

1. Calculate 1's Complement of A.

2. Add A and 1'S Complement of B.

3. If Carry Produce then add the Carry with the remaining number and that is the result.

4. If No Carry then Calculate 1's Complement of the Summation and give -ve sign and that is the result.