Khan/khan-exercises — Issue #9858: Subtracting fractions - Hints do not mention reducing
Author: KhanBugz
Created: 2011-12-30 01:51:44+00:00
State: open
Labels: chrome, hard, win7

Reporter: kaninepete@gmail.com

I see now that the acceptable formats only include reduced numbers.

The hints, however skip over the step of simplifying. They should be made more clear by adding "8/10, reduces to 4/5, so we'll use that from now on."

[subtracting_fractions.html?seed=145&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/subtracting_fractions.html?seed=145&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/subtracting_fractions.html?seed=145&problem=0&debug&activity=%5B%5B%22correct-activity%22%2C%22%5C%2222%2F90%5C%22%22%2C20%5D%2C%5B%22incorrect-activity%22%2C%22%5C%22-22%2F90%5C%22%22%2C4%5D%2C%5B%22hint-activity%22%2C%220%22%2C2%5D%2C%5B%22hint-activity%22%2C%220%22%2C2%5D%2C%5B%22hint-activity%22%2C%220%22%2C3%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%2C22%5D%5D)

["22/90","-22/90"]

Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.7 (KHTML, like Gecko) Chrome/16.0.912.63 Safari/535.7

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