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Mathematics 22 Online
OpenStudy (anonymous):

Complex fraction help?

OpenStudy (anonymous):

OpenStudy (anonymous):

ok, do u have any ideas??

OpenStudy (anonymous):

because im not allowed to just openly tell people answers

OpenStudy (anonymous):

@Da_Homie Probably A because 4 is a multiple of 2

OpenStudy (anonymous):

well multiply all of the numerator and denominaator by 4 that way it wont be complex

OpenStudy (anonymous):

then after that you can now find the lcm of the top and buttom seperately

OpenStudy (anonymous):

yea

OpenStudy (anonymous):

hwats your answer

OpenStudy (michele_laino):

please, note that: \[\frac{ 1 }{ 4p }-\frac{ 3 }{ p }=\frac{ 1-3*4 }{ 4p }=\frac{ 1-12 }{ 4p }=-\frac{ 11 }{ 4p }\] and: \[\frac{ 1 }{ 4p }+\frac{ 4 }{ p }=\frac{ 1+4*4 }{ 4p }=\frac{ 1+16 }{ 4p }=\frac{ 17 }{ 4p }\]

OpenStudy (anonymous):

then you are free to divide

OpenStudy (michele_laino):

since in both cases the least common multiple between the denominators is 4p

OpenStudy (anonymous):

note that when dividing the p goes

OpenStudy (anonymous):

yea

OpenStudy (michele_laino):

so, what is your option, please?

OpenStudy (anonymous):

@Michele_Laino D then?

OpenStudy (michele_laino):

after a substitution, I get: \[\frac{ -\frac{ 11 }{ 4p } }{ \frac{ 17 }{ 4p } }=\left( -\frac{ 11 }{ 4p } \right)*\left( \frac{ 4p }{ 17 } \right)=...\] since we have to multiply the first fraction times the inverse of the second fraction

OpenStudy (michele_laino):

hint: |dw:1420732121884:dw| please complete the computation

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