juciystar234
Please help me with these fractions!! (Below)
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juciystar234
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\[-\frac{ 1 }{ 7 } = X + 1\frac{ 2 }{ 3 }\]
juciystar234
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\[3\frac{ 1 }{ 4 } = 2 \frac{ 1 }{ 3 } + R\]
mark_o.
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before you do multiplication,can you changed mixed number to fraction?
like
1 1/3 =?
3 1/4 =? , 2 1/3 =?
juciystar234
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|dw:1352337557785:dw|
juciystar234
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Yes
juciystar234
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11/ 3 = 3 2/3
juciystar234
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3 1/4 = 13/4
juciystar234
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2 1/3 = 7/3
mark_o.
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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
mark_o.
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yessssss ok
juciystar234
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okk go on
juciystar234
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sorry took me so long to answer i was getting milk and oreos :)
mark_o.
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-1/7=x + 1 2/3 since the denominator are 7, t and 3 the common denominator is 7x3=21
\[\frac{ -1 }{ 7 }*\frac{ 3 }{ 3 } - \frac{ 5 }{ 3 }*\frac{ 7 }{ 7 }\]
\[=\frac{ -3 }{ 21 }- \frac{ 35 }{ 21 }=\frac{ -38 }{ 21 } yes or no?\]
juciystar234
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Ok hold on let me work it out....
juciystar234
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Yeah ok go on
mark_o.
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ok take your time doing it but surely.. :D
juciystar234
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Me and my parents are working out
y - 8 = 35
y - 8 +
?
= 35 +
?
juciystar234
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Ok wait what???
juciystar234
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Work out what?
juciystar234
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y - 8 = 35
y - 8 + ?
= 35 + ?
This?
mark_o.
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\[3\frac{ 1 }{ 4 }= 2\frac{ 1 }{ 3 }+R\]
\[3\frac{ 1 }{ 4 }-2\frac{ 1 }{ 3 }=R \]
the common denominator is 4x3 =12, therefore
\[=3*\frac{ 4 }{ 4 }+\frac{ 1 }{ 4 }-2*\frac{ 3 }{ 3 }+\frac{ 1 }{ 3 }\]
mark_o.
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can you try doing the next step?
juciystar234
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Um hold on let me try to do the problems my self and I will get back to you :)
mark_o.
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ok meanwhile let me encode this for you
juciystar234
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We got
y - 8 = 35
y - 8 + ?
= 35 + ?
I will try to get the rest
mark_o.
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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?
juciystar234
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Ok I got -1/7=x + 1 2/3
juciystar234
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Hold on me and my parents are getting them we only need 3 1/4 = 2 1/3 + R
mark_o.
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on the first on since you know how to convert mixed no. already
-1/7=x+1 2/3
juciystar234
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5/3 = 1 2/3 yeah we did that then you have / and 3/ 21 and add them and get -38/21
mark_o.
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-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?
juciystar234
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Ok hold on be right back
mark_o.
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ok very good.... :D
mark_o.
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y - 8 = 35
y - 8 + ? = 35 + ? add 8 on both sides
y - 8 + 8 = 35 + 8
y+0= 35+8
y= ?