BINARY/DECIMAL PROBLEMS

Do the following conversions:

DECIMAL

BINARY

HEXADECIMAL

45

   
 

10101111

 
   

7F

54

   
 

01100011

 
   

F0

119

   

 

Addition:

01001011

01010010

01100110

11001011

01001011

10101010

00101100

00010011

00100110

00101000

00001101

01010101

           

Subtraction:

01001011

01010010

01100110

11001011

01001011

10101010

00101100

00010011

00100110

00101000

00001101

01010101

           

Prove your answer are correct by converting everything to decimal:

Addition:

           
           
           

Subtraction: