QuickHelper

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About QuickHelper

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Elementary,High School,College,University,PHD

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Teaching Since: May 2017
Last Sign in: 259 Weeks Ago, 6 Days Ago
Questions Answered: 20103
Tutorials Posted: 20155

Education

  • MBA, PHD
    Phoniex
    Jul-2007 - Jun-2012

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  • Corportae Manager
    ChevronTexaco Corporation
    Feb-2009 - Nov-2016

Category > Algebra Posted 03 Aug 2017 My Price 5.00

This is about multiplying frac

This is about multiplying fractions. I got the easy one just fine. I don't understand the harder one as an example that they give you in the book. It says 2 1/3 * 5 1/4 = 7/3 * 21/4 = 7*21/3*4 = 7*3*7/3*4 = 49/4 = 12 1/4. What I don't understand about this problem is why there is an extra seven in the 7*3*7. I know that we are trying to find the factors for 21, but I thought you were only supposed to use the lowest ones and I thought that would be 7*3? 

Answers

QuickHelper
(10)
Status NEW Posted 03 Aug 2017 08:08 AM My Price 5.00

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