2 Bible Verses about Fractions, One Tenth

For this Melchizedek, king of Salem, priest of the Most High God, met Abraham returning from the slaughter of the kings and blessed him. And to him Abraham gave a tenth part of everything. He is first, by translation of his name, king of righteousness, and then he is also king of Salem, that is, king of peace. Without father, without mother, without genealogy, having neither beginning of days nor end of life, but made like the Son of God, he remains a priest continually.read more.
See how great he was! Even the patriarch Abraham gave him a tenth of the spoils. And those descendants of Levi who receive the priestly office have a commandment in the law to take a tenth from the people, that is, from their brethren, though these also are descended from Abraham. But this man whose genealogy is not derived from them received a tenth from Abraham and blessed him who had the promises. And without dispute the lesser person is blessed by the greater. In this case tithes are received by mortal men, but in that case by one of whom it is witnessed that he lives on. One might even say that Levi himself, who receives tithes, paid tithes through Abraham, for he was still in the loins of his ancestor when Melchizedek met him.

"Woe to you, scribes and Pharisees, hypocrites! For you pay tithe of mint and dill and cummin, and have neglected the weightier matters of the Law, justice and mercy and faith. These you ought to have done, without neglecting the others.