Khan/khan-exercises — Issue #10915: Subtracting fractions - pen for scratch pad wont come up on my nook
Author: KhanBugz
Created: 2012-01-11 01:27:35+00:00
State: open
Labels: other, safari

Where did those color pen thingies go they dont appear on my nook

[subtracting_fractions.html?seed=151&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/subtracting_fractions.html?seed=151&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/subtracting_fractions.html?seed=151&problem=0&debug&activity=%5B%5D)

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