Khan/khan-exercises — Issue #10789: Adding and subtracting fractions - unclear answer
Author: KhanBugz
Created: 2012-01-09 23:49:54+00:00
State: open
Labels: hard, ie8, ie9, win7

Reporter: nun of yo business hahahaha lol

[adding_and_subtracting_fractions.html?seed=148&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_and_subtracting_fractions.html?seed=148&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_and_subtracting_fractions.html?seed=148&problem=0&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%224%5C%22%22%2C21%5D%2C%5B%22hint-activity%22%2C%220%22%2C3%5D%2C%5B%22hint-activity%22%2C%220%22%2C4%5D%2C%5B%22hint-activity%22%2C%220%22%2C5%5D%2C%5B%22hint-activity%22%2C%220%22%2C8%5D%2C%5B%22hint-activity%22%2C%220%22%2C8%5D%2C%5B%22hint-activity%22%2C%220%22%2C9%5D%2C%5B%22incorrect-activity%22%2C%22%5C%2240%5C%5C%5C%5C63%5C%22%22%2C211%5D%2C%5B%22incorrect-activity%22%2C%22%5C%2240%2F63%5C%22%22%2C18%5D%2C%5B%22incorrect-activity%22%2C%22%5C%2240%2F63%5C%22%22%2C79%5D%2C%5B%22incorrect-activity%22%2C%22%5C%2240%2F63%5C%22%22%2C3%5D%2C%5B%22incorrect-activity%22%2C%22%5C%2240%5C%22%22%2C28%5D%2C%5B%22incorrect-activity%22%2C%22%5C%2263%5C%22%22%2C6%5D%5D)

["4","40\\63","40/63","40/63","40/63","40","63"]

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