וְאִם־גָּאֹ֥ל יִגְאַ֛ל אִ֖ישׁ מִמַּֽעַשְׂר֑וֹ חֲמִשִׁית֖וֹ יֹסֵ֥ף עָלָֽיו׃
And if a man will redeem aught of his tithe, he shall add unto it the fifth part thereof.
Targum Jonathan on Leviticus
But if a man will redeem any (part) of his tythes, he shall add a fifth part of its value thereunto.
Targum Jerusalem
But if a man will redeem any portion of his tythe, let him add upon, it a fifth part of its price;