\(\dfrac{2}{73}\): \(\dfrac{2}{5}\) + \(\dfrac{71}{73}\) : \(\dfrac{2}{5}\)
= \(\dfrac{2}{73}\) \(\times\) \(\dfrac{5}{2}\) + \(\dfrac{71}{73}\)\(\times\) \(\dfrac{5}{2}\)
= \(\dfrac{5}{2}\) \(\times\) ( \(\dfrac{2}{73}\) + \(\dfrac{71}{73}\))
= \(\dfrac{5}{2}\) \(\times\) 1
= \(\dfrac{5}{2}\)