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Mathematics 14 Online
OpenStudy (anonymous):

5/9 - (3/4 + 1/3)

OpenStudy (anonymous):

remember the DMAS rule. Division, Multip, Addition, Subtraction..

OpenStudy (anonymous):

PEMDAS?

OpenStudy (anonymous):

well here first try to solve the brackets

OpenStudy (anonymous):

this is simple , just use PEMDAS witch is parenthisys , exponents , multiplication divition , addition & subtraction

OpenStudy (anonymous):

Ok thanks

OpenStudy (anonymous):

I do the parenthesis first

OpenStudy (anonymous):

yea wht did you got?

OpenStudy (anonymous):

9/12 +4/12

OpenStudy (anonymous):

13/12

OpenStudy (anonymous):

thts right so now you hv: 5/9+13/12

OpenStudy (anonymous):

i mean 5/9-13/12

OpenStudy (anonymous):

solve this now!

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

57/108

OpenStudy (anonymous):

hmm this is not what I get!

OpenStudy (anonymous):

how did you do yours

OpenStudy (anonymous):

i got -19/36

OpenStudy (anonymous):

how? you simplify

OpenStudy (anonymous):

well i factored out the denominators to get the common value

OpenStudy (anonymous):

which is 108

OpenStudy (anonymous):

|dw:1348080272297:dw| like this

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