Khan/khan-exercises — pull request #59452 by mauk81 (2013-08-10 02:21:03+00:00)
Title: avoid two digits repeating decimal with same number

like *1.22*
example: [adding_and_subtracting_rational_numbers.html?seed=69&problem=repeating-decimals](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_and_subtracting_rational_numbers.html?seed=69&problem=repeating-decimals&debug)