2. Simplify the expression \( \frac{6xy^2}{36xy^3} \).

Divide numerator and denominator by their common factors: \( \frac{6}{36} = \frac{1}{6} \), \( x \) cancels out, and \( y^2 \) reduces to \( y^{-1} \). The result is \( \frac{1}{6y} \).