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How to do binary subtraction in two's complement?
I need help for figuring the working out on how to do binary subtraction with the following:
Question 1:
0110101
01111110 -
----------------
=
Question 2:
010111000
0111001 -
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=
Any help is appreciated and am willing to give out 5 stars
2 Answers
- 5 years ago
First find one's complement of the number you're subtracting from the other number(subtrahend) by changing all 1's to 0's and all 0's to 1's. Two's complement of this will be obtained by adding 1 to this newly obtained number. Add the minuend and the newly obtained number to get your difference
