'One fifth' in the Bible

Pharaoh should do this -- he should appoint officials throughout the land to collect one-fifth of the produce of the land of Egypt during the seven years of abundance.

When you gather in the crop, give one-fifth of it to Pharaoh, and the rest will be yours for seed for the fields and for you to eat, including those in your households and your little children."

So Joseph made it a statute, which is in effect to this day throughout the land of Egypt: One-fifth belongs to Pharaoh. Only the land of the priests did not become Pharaoh's.

And whatever holy thing he violated he must restore and must add one fifth to it and give it to the priest. So the priest will make atonement on his behalf with the guilt offering ram and he will be forgiven."

or anything about which he swears falsely. He must restore it in full and add one fifth to it; he must give it to its owner when he is found guilty.

"'If a man eats a holy offering by mistake, he must add one fifth to it and give the holy offering to the priest.

If, however, the person who made the vow redeems the animal, he must add one fifth to its conversion value.

If the one who consecrates it redeems his house, he must add to it one fifth of its conversion value in silver, and it will belong to him.

If, however, the one who consecrated the field redeems it, he must add to it one fifth of the conversion price and it will belong to him.

If, however, it is among the unclean animals, he may ransom it according to its conversion value and must add one fifth to it, but if it is not redeemed it must be sold according to its conversion value.

If a man redeems part of his tithe, however, he must add one fifth to it.

then he must confess his sin that he has committed and must make full reparation, add one fifth to it, and give it to whomever he wronged.