'Fifth' in the Bible
And in the fifth year you shall eat its fruit to increase its yield for you; I [am] Yahweh your God.
And if a man eats [the] votive offering unintentionally, then he shall add to it a fifth of it, and he shall give the votive offering to the priest.
And if he indeed wants to redeem it, then he shall add a fifth of it onto your proper value.
But if the one who consecrates [it] wants to redeem his house, then he shall add a fifth of your proper value's money onto it, and it shall be his.
And if he indeed redeems the field that is consecrated, then he shall add a fifth of your proper value's money onto it, and it shall stand for him.
And if [it is] among the unclean animals, then he shall ransom [it] according to your proper value, and he shall add a fifth of its [value] onto it; and if it is not redeemed, then it shall be sold according to your proper value.
And if a man indeed redeems from his tithe, he shall add a fifth of its [value] onto it.