Answer :
They are proportional, since in 5/6 if you multiply both the numerator and denominator by 3, you get 15/18.
[tex] \frac{5}{6} = \frac{5(3)}{6(3)} = \frac{15}{18} [/tex]
[tex] \frac{5}{6} = \frac{5(3)}{6(3)} = \frac{15}{18} [/tex]