I don't understand this math question! The pictures provided and I'd love if someone can explain it to me

Answer:
Hello,
Step-by-step explanation:
The first number is
[tex]\dfrac{8}{12}[/tex]
The second number is
[tex]\dfrac{9}{12}[/tex]
Their sum is:
[tex]\dfrac{8}{12} +\dfrac{9}{12} =\dfrac{8+9}{12}=\dfrac{17}{12}[/tex]