September 24th, 2015, 04:27 AM  #11  
Member Joined: Sep 2015 From: London Posts: 31 Thanks: 6  Quote:
$\displaystyle \frac{21}{24} + \frac{20}{24} = \frac{21 + 20}{24} = \frac{1}{24}$  
September 24th, 2015, 08:17 AM  #12 
Newbie Joined: Sep 2015 From: Somewhere Posts: 17 Thanks: 0  
September 24th, 2015, 08:29 AM  #13 
Member Joined: Sep 2015 From: London Posts: 31 Thanks: 6  No problem. I have a video of my own where I demonstrate how to add two fractions, even if the denominators happen to be different: https://www.youtube.com/watch?v=ywycowKlgDg 
September 24th, 2015, 10:20 AM  #14  
Newbie Joined: Sep 2015 From: Somewhere Posts: 17 Thanks: 0  Quote:
Last edited by sadmath; September 24th, 2015 at 10:30 AM.  
September 24th, 2015, 11:31 AM  #15  
Math Team Joined: May 2013 From: The Astral plane Posts: 2,226 Thanks: 908 Math Focus: Wibbly wobbly timeywimey stuff.  Quote:
Dan  
September 24th, 2015, 10:34 PM  #16 
Newbie Joined: Sep 2015 From: Somewhere Posts: 17 Thanks: 0  
September 26th, 2015, 06:05 PM  #17 
Senior Member Joined: May 2015 From: Varanasi Posts: 110 Thanks: 5 Math Focus: Calculus 
negative negative product becomes positive and then you subtract 7/8 from 5/6, since 7/8 is bigger number so you get negative result.


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