question_answer

Direction: What should come in place of the question mark (?) in the following questions?

\[23\frac{8}{9}+15\frac{7}{9}-12\frac{1}{3}\times \frac{2}{3}=?\]

A)  \[30\frac{1}{3}\]                                  

B)  \[31\frac{1}{3}\]

C)  \[30\frac{4}{9}\]         

D)       \[31\frac{4}{9}\]