[tex]\frac{1}{3}+ \frac{3}{5}[/tex]
[tex]\frac{5}{15}+ \frac{9}{15}[/tex]
Since the denominators are equal to, its going to be combine by the fraction.
[tex]\frac{5+9}{15}[/tex]
Finally add by the numbers.
[tex]9+5=14[/tex]
Final answer: [tex]\boxed{=14/15}[/tex]
Hope this helps!
And thank you for posting your question at here on brainly, and have a great day.
-Charlie