anonymous
  • anonymous
Please help me with these fractions!! (Below)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
\[-\frac{ 1 }{ 7 } = X + 1\frac{ 2 }{ 3 }\]
anonymous
  • anonymous
\[3\frac{ 1 }{ 4 } = 2 \frac{ 1 }{ 3 } + R\]
anonymous
  • anonymous
before you do multiplication,can you changed mixed number to fraction? like 1 1/3 =? 3 1/4 =? , 2 1/3 =?

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anonymous
  • anonymous
|dw:1352337557785:dw|
anonymous
  • anonymous
Yes
anonymous
  • anonymous
11/ 3 = 3 2/3
anonymous
  • anonymous
3 1/4 = 13/4
anonymous
  • anonymous
2 1/3 = 7/3
anonymous
  • anonymous
ok good.. :D if its a mixed number changed the whole number to fraction with the same denominator so no prob on these .. 1 1/3 =is this like 1*3/3 +1/3 = 3/3 + 1/3 = 4/3 yes? 3 1/4 = 3*4/4 + 1/4 = 12/4 + 1/4 = 13/4 yes ? , 2 1/3 = 2*3/3 + 1/3 = 6/3 + 1/3 = 7/3 yes ? if yes now you can do the prob
anonymous
  • anonymous
yessssss ok
anonymous
  • anonymous
okk go on
anonymous
  • anonymous
sorry took me so long to answer i was getting milk and oreos :)
anonymous
  • anonymous
-1/7=x + 1 2/3 since the denominator are 7, t and 3 the common denominator is 7x3=21 \[\frac{ -1 }{ 7 }*\frac{ 3 }{ 3 } - \frac{ 5 }{ 3 }*\frac{ 7 }{ 7 }\] \[=\frac{ -3 }{ 21 }- \frac{ 35 }{ 21 }=\frac{ -38 }{ 21 } yes or no?\]
anonymous
  • anonymous
Ok hold on let me work it out....
anonymous
  • anonymous
Yeah ok go on
anonymous
  • anonymous
ok take your time doing it but surely.. :D
anonymous
  • anonymous
Me and my parents are working out y - 8 = 35 y - 8 + ? = 35 + ?
anonymous
  • anonymous
Ok wait what???
anonymous
  • anonymous
Work out what?
anonymous
  • anonymous
y - 8 = 35 y - 8 + ? = 35 + ? This?
anonymous
  • anonymous
\[3\frac{ 1 }{ 4 }= 2\frac{ 1 }{ 3 }+R\] \[3\frac{ 1 }{ 4 }-2\frac{ 1 }{ 3 }=R \] the common denominator is 4x3 =12, therefore \[=3*\frac{ 4 }{ 4 }+\frac{ 1 }{ 4 }-2*\frac{ 3 }{ 3 }+\frac{ 1 }{ 3 }\]
anonymous
  • anonymous
can you try doing the next step?
anonymous
  • anonymous
Um hold on let me try to do the problems my self and I will get back to you :)
anonymous
  • anonymous
ok meanwhile let me encode this for you
anonymous
  • anonymous
We got y - 8 = 35 y - 8 + ? = 35 + ? I will try to get the rest
anonymous
  • anonymous
are you gonna be comfortable if we do them like these? 3 1/4 = 2 1/3 +R 13/4 = 7/3 +R common denominator is 4x3=12 13/4 - 7/3 =R 13/4 *3/3 - 7/3 *4/4 =R 39/12 - 28/12 =R 11/12=R yes?
anonymous
  • anonymous
Ok I got -1/7=x + 1 2/3
anonymous
  • anonymous
Hold on me and my parents are getting them we only need 3 1/4 = 2 1/3 + R
anonymous
  • anonymous
on the first on since you know how to convert mixed no. already -1/7=x+1 2/3
anonymous
  • anonymous
5/3 = 1 2/3 yeah we did that then you have / and 3/ 21 and add them and get -38/21
anonymous
  • anonymous
-1/7=x+1 2/3 -1/7=x+ 5/3 -1/7- 5/3=x, LCD=21 (-1/7)(3/3)- (5/3)(7/7)=x, -3/21 - 35/21 =x x= -38/21 yes?
anonymous
  • anonymous
Ok hold on be right back
anonymous
  • anonymous
ok very good.... :D
anonymous
  • anonymous
y - 8 = 35 y - 8 + ? = 35 + ? add 8 on both sides y - 8 + 8 = 35 + 8 y+0= 35+8 y= ?

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