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Mathematics 21 Online
OpenStudy (moongazer):

how do you find LCM?

OpenStudy (saifoo.khan):

no need to find, its written there.

OpenStudy (saifoo.khan):

http://www.youtube.com/watch?v=bgXZKEGIRIQ

OpenStudy (saifoo.khan):

http://www.youtube.com/watch?v=UkaUswWmZ7o

OpenStudy (moongazer):

i mean the lcd

OpenStudy (moongazer):

(2/21)+(1/6)=? how did the denominator here became 42 i am really confused

OpenStudy (moongazer):

i get it know i just had a wrong multiplication. ^_^ sorry for that. :)

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