'Fifths' in the Bible

At harvest, you are to give a fifth of it to Pharaoh, and four-fifths will be yours as seed for the field and as food for yourselves, your households, and your dependents.”

2⁄5 of an ounce per man, that is, half a shekel according to the sanctuary shekel, from everyone 20 years old or more who had crossed over to the registered group, 603,550 men.