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Mathematics 18 Online
OpenStudy (ashy98):

7/9+5/6=

OpenStudy (anonymous):

1st you need a common denominator

OpenStudy (ashy98):

|dw:1350935359435:dw|

OpenStudy (anonymous):

nope

OpenStudy (anonymous):

what is the lowest common denominator between the 6 and 9?

OpenStudy (anonymous):

@Ashy98 you there

jhonyy9 (jhonyy9):

@Ashy98 do you like cooperating a little please ?

OpenStudy (ashy98):

yeah an its 18

jhonyy9 (jhonyy9):

you need to get the common denominator for 6 and 9 so what is this number ?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

now what do you multiply 7/9 by ? and 5/6 by?

OpenStudy (anonymous):

to get 18 in the den

OpenStudy (ashy98):

3.1

OpenStudy (anonymous):

\[\frac{ 7 }{ 9 }*\frac{ x }{ x }+\frac{ 5 }{ 6 }*\frac{ y }{ y }\]

OpenStudy (anonymous):

@Ashy98 got it?

OpenStudy (ashy98):

not really

OpenStudy (anonymous):

what do you multiply 9 by to get 18?

OpenStudy (ashy98):

9 multiply by 2= 18

OpenStudy (anonymous):

ok multiply the num and den by 2 what do you get

OpenStudy (ashy98):

36

OpenStudy (anonymous):

\[\frac{ 7 }{ 9 }*\frac{ 2 }{ 2 }=\frac{ 7*2 }{ 9*2 }\]

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