Perform the following operations by converting the operands to 2s complement binary numbers and then doing the addition or subtraction shown. Please show all work in binary, operating on 8-bit numbers. Is there an overflow?

Please follow the format in the given example: 3 + 12

0000 0011 (3)

+ 0000 1100 (12)

________________

0000 1111 (15)

The decimal value of the result is 15, there is not overflow.

(a) 48 + 86

(b) -45 - 38

(c) -67 - (-51)