How to add two hexadecimal numbers in Assembly Language?

.MODEL SMALL
.STACK  64H
.DATA
        V1      DB      29H  
        V2      DB      18H
.CODE
MAIN PROC
   
        MOV     AX,@DATA
        MOV     DS,AX
   
        MOV AL,V1
        ADD AL,V2
        DAA         ;Decimal Adjust for Addition

        MOV BL,AL
   
        MOV AH,02H
        MOV DL, BL
        INT 21H
      
   
        MOV     AH,4CH
        INT     21H
        MAIN     ENDP
END MAIN