need help solving these five please

1.37 Because A B A + (-B). the subtraction of signed numbers can be accomplished by adding the complement. Subtract each of the following pairs of 5-bit binary num bers by adding the complement of the subtrahend to the minuend. Indicate when an overflow occurs Assume that negative numbers are represented in I's complement. Then repeat using 2's complement. (a) 01001 (b) 11010 (c) 10110 (d 11011 (e) 11100 -11010 11001 -01101 -00111 10101