Khan/khan-exercises — Issue #5520: Adding fractions with common denominators - adding fractions with likr denominators
Author: KhanBugz
Created: 2011-11-03 19:25:52+00:00
State: open
Labels: ie8, win7

i don't understand

[adding_fractions_with_common_denominators.html?seed=112&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_fractions_with_common_denominators.html?seed=112&problem=0&debug)

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

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