Khan/khan-exercises — Issue #8207: Adding fractions - adding/subtracting fractions
Author: KhanBugz
Created: 2011-12-09 03:44:36+00:00
State: open
Labels: chrome, hard, snowleo

Reporter: alester@hightechhigh.org

i think you should have a something that tells you if you are wrong or wright before submitting it and loosing the progress

[adding_fractions.html?seed=96&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_fractions.html?seed=96&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_fractions.html?seed=96&problem=0&debug&activity=%5B%5D)

[]

Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_8) AppleWebKit/535.2 (KHTML, like Gecko) Chrome/15.0.874.121 Safari/535.2

MathJax is loaded, ready, queue length: 0