Binary Subtraction: Start with converting each number to binary. When the result is negative, indicate which method you use - excess notation or one's complement to indicate the sign Problem 1: 3410 1010 Problem 2: 6710 4020 Problem 3: 8910 6710 Problem 4: 7810 9010 Problem 5: 8710 8810 Problem 6: 1410 3610