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Mathematics 19 Online
OpenStudy (jalil.h):

help

OpenStudy (jalil.h):

OpenStudy (jalil.h):

@Cecil_the_Weasel

OpenStudy (cecil_the_weasel):

Okay, you need to find a common denominator. I can give you a hint: Since 7 goes into 21, you don't have to change the second fraction.

OpenStudy (jalil.h):

i think it B

OpenStudy (cecil_the_weasel):

You would be right :)

OpenStudy (jalil.h):

OpenStudy (jalil.h):

my answer is C

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