\(\dfrac{2\cdot3\cdot5^2}{3^2\cdot5^3}\)
\(=2\cdot\dfrac{3}{3^2}\cdot\dfrac{5^2}{5^3}\)
\(=2\cdot\dfrac{1}{3}\cdot\dfrac{1}{5}\)
\(=\dfrac{2}{15}\)
\(\dfrac{2.3.5^2}{3^2.5^2}=\dfrac{2}{3}\)
\(\dfrac{2.3.5^2}{3^2.5^3}=\dfrac{2}{3.5^{ }}=\dfrac{2}{15}\)