Khan/khan-exercises — Issue #15571: Adding and subtracting fractions - yjirjutr
Author: KhanBugz
Created: 2012-03-06 19:42:46+00:00
State: open
Labels: hard, ie8, ie9, win7

Reporter: sofia.rossi84@gmail.com

WOOWOOWOOWOO

[adding_and_subtracting_fractions.html?seed=23&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_and_subtracting_fractions.html?seed=23&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_and_subtracting_fractions.html?seed=23&problem=0&debug&activity=%5B%5D)

[]

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET4.0C; .NET4.0E; InfoPath.3)

MathJax is loaded, ready, queue length: 0