Khan/khan-exercises — Issue #4044: Adding and subtracting fractions - adding and subtracting fractions
Author: KhanBugz
Created: 2011-10-09 04:33:45+00:00
State: open
Labels: firefox, xp

-3/2 - 3/7 = your ans. and mine is -27/14; I simplified to -1 11/14 and it is wrong. :( simplify or not to simplify?

[adding_and_subtracting_fractions.html?seed=123&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_and_subtracting_fractions.html?seed=123&problem=0)

["-1 11/14"]

Mozilla/5.0 (Windows NT 5.1; rv:7.0.1) Gecko/20100101 Firefox/7.0.1

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