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Mathematics 10 Online
OpenStudy (theedwardsfamily):

Which fraction is equivalent to 5/12? A.2/3 B.10/18 C.20/54 D.15/36

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: \[\frac{ 5*3 }{ 12*3 }=...\]

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?

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

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

Nnesha (nnesha):

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