Once upon a time, a little man named Dewey snuck into the exchange one night and stole all of the fractions away from the specialists. Now we trade in pennies instead of fractions.
Etymology: French décimal, from Medieval Latin decimalis of a tithe, from Latin decima tithe -- more at DIME
: numbered or proceeding by tens: a : based on the number 10; especially : expressed in or utilizing a decimal system especially with a decimal point b : subdivided into 10th or 100th units.
Etymology: Middle English fraccioun, from Late Latin fraction-, fractio act of breaking, from Latin frangere to break -- more at BREAK
1 a : a numerical representation (as 3/4, 5/8, 3.234) indicating the quotient of two numbers b (1) : a piece broken off :
Remember 1/8's!

................Enkid....about 4 years ago, all stocks traded in fractions, then they went to decimals.
A decimal like .10....12....etc.