'Fifth' in the Bible

they will confess their sin that they did and will make restitution [for] their guilt by adding a fifth {to it} and giving [it] {to whomever was wronged}.

On the fifth day Shelumiel son of Zurishaddai, leader of the descendants of Simeon:

" 'On the fifth day: nine bulls, two rams, fourteen male lambs without defect {in their first year};

Aaron the priest went up to Mount Hor at the {command} of Yahweh, and he died there in the fortieth year after the {Israelites} had gone out from the land of Egypt, in the fifth month on the first [day] of the month.