Rules for Twos complement addition I two numbers must be the same length keep the length in addition. 2 subtract a number means add the negative number i Examples: 1110+1010=1000 0110-0011=0110+1101=0011Rules for Two’s complement addition 1 two numbers must be the same length, keep the length in addition. 2 subtract a number means add the negative number ; Examples: 1110 + 1010 = 1000 0110 – 0011 = 0110 + 1101 = 0011