Mathematics
10 Online
OpenStudy (theedwardsfamily):
Which fraction is equivalent to 5/12?
A.2/3
B.10/18
C.20/54
D.15/36
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Nnesha (nnesha):
start dividing answer choices one by one and see which one give you 5/12
Nnesha (nnesha):
can reduce 2/3 more ??
OpenStudy (theedwardsfamily):
@Nnesha I dont think so
Nnesha (nnesha):
yes right
OpenStudy (michele_laino):
Note that, if I multiply both nuimerator and denominator of 5/12 by 3, I get:
\[\frac{ 5*3 }{ 12*3 }=...\]
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Nnesha (nnesha):
can you reduce 15/36 ???
OpenStudy (theedwardsfamily):
So cancel out A. right?
Nnesha (nnesha):
yes that's right now see if you can reduce 15/36
OpenStudy (theedwardsfamily):
@Michele_Laino it's going to be 15/36
OpenStudy (michele_laino):
that's right!
So, what is your answer?
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OpenStudy (theedwardsfamily):
5/12
Nnesha (nnesha):
yes that is right
OpenStudy (michele_laino):
sorry, I wanted say what is your option, namely A, B, C or D?
OpenStudy (theedwardsfamily):
B?
Nnesha (nnesha):
nope
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Nnesha (nnesha):
reduce 15/36
OpenStudy (michele_laino):
B no, because it is 10/18 which is not 15/36, so?
Nnesha (nnesha):
divide both part by 3 top and bottom by 3
OpenStudy (theedwardsfamily):
well 5/12 is not one of the answer choices. Im getting confused!
Nnesha (nnesha):
if you multiply both top and bottom by 3 5/12
you get 15/36
so if you divide both part by 3 what you should get
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Nnesha (nnesha):
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