Khan/khan-exercises — Issue #7368: Adding and subtracting fractions - title
Author: KhanBugz
Created: 2011-11-30 17:56:44+00:00
State: open
Labels: chrome, hard, xp

it takes too long to get finish one thing. its going to take me 40 right answeres for one

[adding_and_subtracting_fractions.html?seed=194&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_and_subtracting_fractions.html?seed=194&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_and_subtracting_fractions.html?seed=194&problem=0&debug&activity=%5B%5D)

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Mozilla/5.0 (Windows NT 5.1) AppleWebKit/535.2 (KHTML, like Gecko) Chrome/15.0.874.121 Safari/535.2

MathJax is loaded, ready, queue length: 0