Mind lending a hand here?

Answer:
2.5 or [tex]2\frac{3}{6}[/tex] or [tex]2\frac{1}{2}[/tex]
Step-by-step explanation:
[tex]\frac{5}{6} +\frac{5}{6} +\frac{5}{6} =\frac{15}{6}[/tex]
simplify: 15÷6=2.5
So the baby napped for 2.5 hours or [tex]2\frac{3}{6}[/tex] or [tex]2\frac{1}{2}[/tex]