\(\dfrac{9}{5}-\dfrac{7}{15}=\dfrac{27}{15}-\dfrac{7}{15}=\dfrac{20}{15}=\dfrac{4}{3}\)
\(\dfrac{9}{5}-\dfrac{7}{15}=\dfrac{27-7}{15}=\dfrac{20}{15}=\dfrac{4}{3}\)
\(\dfrac{9}{5}-\dfrac{7}{15}=\dfrac{27}{15}-\dfrac{7}{15}=\dfrac{20}{15}=\dfrac{4}{3}\)