Answer: 8/15
Step-by-step explanation:
Vertical: there are 4 shaded squares out of 5 total squares → 4/5
Horizontal: there are 2 shaded squares out of 3 total squares → 2/3
[tex]\dfrac{4}{5}\times \dfrac{2}{3}\quad =\large\boxed{\dfrac{8}{15}}[/tex]
