Khan/khan-exercises — Issue #13523: Adding fractions with common denominators - Adding fractions with common denominators
Author: KhanBugz
Created: 2012-02-10 01:15:09+00:00
State: open
Labels: ie8, ie9, other, win7

I answered a question wrong. I clicked the show solution button and is said 13/18 then i typed it in the ansewer box and it still said it was wrong!

[adding_fractions_with_common_denominators.html?seed=66&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_fractions_with_common_denominators.html?seed=66&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_fractions_with_common_denominators.html?seed=66&problem=0&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%223%2F18%5C%22%22%2C21%5D%2C%5B%22hint-activity%22%2C%220%22%2C2%5D%2C%5B%22hint-activity%22%2C%220%22%2C2%5D%2C%5B%22hint-activity%22%2C%220%22%2C3%5D%2C%5B%22hint-activity%22%2C%220%22%2C3%5D%2C%5B%22incorrect-activity%22%2C%22%5C%223%2F18%5C%22%22%2C12%5D%2C%5B%22incorrect-activity%22%2C%22%5C%223%2F18%5C%22%22%2C20%5D%2C%5B%22incorrect-activity%22%2C%22%5C%223%2F18%5C%22%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5C%223%2F18%5C%22%22%2C1%5D%5D)

["3/18","3/18","3/18","3/18","3/18","3/18","3/18","3/18","3/18"]

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; BRI/2; Zune 4.7; MASM)

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