I need to know what goes in each box 20 points

Answer: [tex]\frac{11}{15}[/tex]
Step-by-step explanation:
[tex]\frac{2}{5}+\frac{1}{3}[/tex]
[tex]=\frac{6}{15}+\frac{5}{15}[/tex]
[tex]=\frac{6+5}{15}[/tex]
[tex]=\frac{11}{15}[/tex]