anonymous
  • anonymous
N+3/4=19/20. What is N = to?
Mathematics
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
(19/20)-(3/4)= 1/5, n= 1/5
anonymous
  • anonymous
Thanks! so then what would N- 1/5= 7/20 be?
anonymous
  • anonymous
(7/20)+(1/5)= 11/20

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anonymous
  • anonymous
Wait I still dont get how that ='s 11/20 cuz, 7+1=8... and 20 and 20= 20
anonymous
  • anonymous
when u add fractions, u cant really add across until u find a common denominator. so (7/20)+(1/5), to get a common denominator, u can just multiply 5*4 to get 20, then u would have to multiply 4 with the number at the top, which is 1. so u get (7/20)+(4/20), u have a common denominator now, so u can just add across, 7+4=11, and u dont ever really add denominators together bc they are the same
anonymous
  • anonymous
Thanks so much!!
anonymous
  • anonymous
np :) hope my explanation helps
anonymous
  • anonymous
:), Yes it does! You do it the old fashion way, when a negative number turns into a positive and, negative turns into postive. You see i have a math test tomorrow so I wanna see if i was doing it right! hahaa
anonymous
  • anonymous
wo

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