Solve with the steps please

Perform the following operations in 8-bit 1's complement binary addition. Check the results and indicate if there are any issues with the results. (a) (12)10(20)10 (b) (20)10(12)10 Problem 2: Perform the following operations in 8-bit 2's complement binary addition. Check the results and indicate if there are any overflow or other issues. (a) (12)10(20)10 (b) (120)10+(120)10 (c) (20)10(12)10 (d) (13)10(13)10