Khan/khan-exercises — Issue #7405: Subtracting fractions - I failed
Author: KhanBugz
Created: 2011-12-01 00:00:50+00:00
State: open
Labels: firefox, hard, xp

I got an F on this

[subtracting_fractions.html?seed=163&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/subtracting_fractions.html?seed=163&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/subtracting_fractions.html?seed=163&problem=0&debug&activity=%5B%5B%22hint-activity%22%2C%220%22%2C32%5D%2C%5B%22hint-activity%22%2C%220%22%2C37%5D%2C%5B%22hint-activity%22%2C%220%22%2C39%5D%2C%5B%22hint-activity%22%2C%220%22%2C43%5D%2C%5B%22hint-activity%22%2C%220%22%2C48%5D%2C%5B%22hint-activity%22%2C%220%22%2C53%5D%5D)

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Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2) Gecko/20100115 Firefox/3.6

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