The correct option is D 6
To calculate the sum of 213 and 323, we add the whole number parts and thefractional parts individually.
Whole number part of 213 is 2
Whole number part of 323 is 3
⟹Sum of the whole parts=(2+3) =5
Fractional part of 213 is 13
Fractional part of 323 is 23
⟹Sum of the fractional parts
=13+23
=(1+2)3
=33
=1
⟹Sum of the mixed numbers is:
213+323=5+1=6