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October 2nd, 2017, 03:47 PM  #1 
Newbie Joined: Oct 2017 From: USA Posts: 5 Thanks: 0  Simplifying Fractions Before Adding
Hello all, I have an extremely elementary question however my mind is drawing a blank  Can fractions be simplified diagonally before adding? Or is that only in multiplying fractions? i.e. can 3/8 + 5/6 be simplified diagonally to 1/8 + 5/2? Then the common denominator be found, added, etc. All help is much appreciated. Thank you! 
October 2nd, 2017, 04:04 PM  #2 
Global Moderator Joined: Oct 2008 From: London, Ontario, Canada  The Forest City Posts: 7,879 Thanks: 1087 Math Focus: Elementary mathematics and beyond 
Does 3/8 + 5/6 = 1/8 + 5/2?

October 2nd, 2017, 04:58 PM  #3 
Math Team Joined: May 2013 From: The Astral plane Posts: 1,891 Thanks: 769 Math Focus: Wibbly wobbly timeywimey stuff.  
October 2nd, 2017, 04:59 PM  #4 
Newbie Joined: Oct 2017 From: USA Posts: 5 Thanks: 0 
More generally, my question is can fractions be simplified diagonally when they are being added?

October 2nd, 2017, 05:05 PM  #5 
Newbie Joined: Oct 2017 From: USA Posts: 5 Thanks: 0 
Hi Dan, For example, if I have 3/8 + 5/6 > Can the 6 and 3 be cross simplified by dividing by 3 to yield 1/8 + 5/3? Or can fractions only be simplified diagonally when being they are multiplied? Hope that makes sense. Thanks for your response. 
October 2nd, 2017, 06:22 PM  #6  
Math Team Joined: May 2013 From: The Astral plane Posts: 1,891 Thanks: 769 Math Focus: Wibbly wobbly timeywimey stuff.  Quote:
Dan  
October 2nd, 2017, 07:32 PM  #7 
Newbie Joined: Oct 2017 From: USA Posts: 5 Thanks: 0 
Many thanks Dan, that answers my question

October 3rd, 2017, 05:44 AM  #8 
Math Team Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 13,340 Thanks: 939  
October 3rd, 2017, 06:17 AM  #9 
Newbie Joined: Oct 2017 From: USA Posts: 5 Thanks: 0 
Thanks Denis 

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adding, adding fractions, fractions, simplify fractions, simplifying 
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