me and winnie a maths

today me and winnie did . 

my maths is I did 

63 +  39 = 36

63      ^ 

          30 +   9  

winnie math is 

63 - 39 = 24 

        ^    

      30 + 9  

63 - 30 = 33     33 - 9 = 24   Answer: 24