Khan/khan-exercises — Issue #8959: Adding fractions with common denominators - duh it is not working
Author: KhanBugz
Created: 2011-12-19 06:55:45+00:00
State: open
Labels: snowleo, wrong-or-unclear

help dude it is not working. i am sure 5/15+7/15= 12/15

[adding_fractions_with_common_denominators.html?seed=27&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_fractions_with_common_denominators.html?seed=27&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_fractions_with_common_denominators.html?seed=27&problem=0&debug&activity=%5B%5B%22correct-activity%22%2C%22%5C%2212%2F15%5C%22%22%2C12%5D%2C%5B%22correct-activity%22%2C%22%5C%2212%2F15%5C%22%22%2C10%5D%2C%5B%22incorrect-activity%22%2C%22%5C%221%5C%22%22%2C60%5D%5D)

["12/15","12/15","1"]

Opera/9.80 (Macintosh; Intel Mac OS X 10.6.8; U; en) Presto/2.9.168 Version/11.52

MathJax is loaded, ready, queue length: 0