My Math Forum 2 times 1/2 time 6/11 - Multiplying fractions

 Elementary Math Fractions, Percentages, Word Problems, Equations, Inequations, Factorization, Expansion

 April 5th, 2014, 01:59 PM #1 Newbie   Joined: Apr 2014 From: Canada Posts: 1 Thanks: 0 2 times 1/2 time 6/11 - Multiplying fractions 2 times 1/2 time 6/11 (fractions) the result is supposed to be 6/11 right? On the test however the only options I have are: 12/11 15/11 67/22 15/2 I don't get it... Would there be an error on the test?
 April 5th, 2014, 03:26 PM #2 Senior Member     Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,211 Thanks: 520 Math Focus: Calculus/ODEs I would first convert the mixed number to an improper fraction, so that the product becomes: $\displaystyle \frac{5}{2}\cdot\frac{6}{11}= \frac{5}{\cancel{2}}\cdot\frac{\cancel{2}\cdot3}{1 1}= \frac{15}{11}$
 April 6th, 2014, 01:16 AM #3 Senior Member   Joined: Mar 2014 Posts: 112 Thanks: 8 $\displaystyle 2\frac{1}{2}\,=\,\frac{5}{2}\,\neq\,1$ Thanks from MarkFL
 April 6th, 2014, 01:47 AM #4 Math Team   Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 14,316 Thanks: 1023 2 + 1/2 = 5/2 2 * 1/2 = 1 What am I missing?
April 6th, 2014, 01:50 AM   #5
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Joined: Jul 2010
From: St. Augustine, FL., U.S.A.'s oldest city

Posts: 12,211
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Math Focus: Calculus/ODEs
Quote:
 Originally Posted by Denis 2 + 1/2 = 5/2 2 * 1/2 = 1 What am I missing?
I need to get my eyes checked...LOL! For some reason I read this originally as 2 1/2 * 6/11.

I am on my way to the corner...

April 6th, 2014, 06:34 AM   #6
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Joined: Oct 2011

Posts: 14,316
Thanks: 1023

Quote:
 Originally Posted by MarkFL I need to get my eyes checked...LOL! For some reason I read this originally as 2 1/2 * 6/11. I am on my way to the corner...
Well, a minute will do...
15/11 is one of choices; OP probably has a typo;
probably should be (2 plus 1/2) or 2 1/2 times 6/11

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