66.66 repeating, frequently rounded off as 66.67.
http://wiki.answers.com/Q/What_is_66_and_2_over_3_...

Two thirds or 2/3 as a decimal is 0.6666. It is easy to come up with a decimal from a fraction by dividing the top number by the bottom number. So 2/3 is 2 divided by 3.
http://answers.ask.com/Reference/Other/what_is_2_3...

66.6, with the decimal repeating. !
http://www.chacha.com/question/whatisthefractio...

To how many decimal places? It would be .667 or .6667 or .66667, etc. depending on how many decimal places you're supposed to take it to. The last number would be a 7 because you
http://answers.yahoo.com/question/index?qid=201209...
