leeannetalent leeannetalent

19-09-2017
Mathematics

contestada

3/7 x 28/9 x 15/17 ... how do I use cancellation? my answer was 15/17 but thats not the right answer, can someone explain this and cancelling factors to me???

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chelouis chelouis

19-09-2017

first you cancel 7 and 28, and 3 and 9, so that leaves you with 4/3 x 15/17, then you cancel 3 and 15 so you get 4x5/17 which should give you 20/17!

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