Mathematics
14 Online
OpenStudy (anonymous):
Simplify ((x/3)+(7/4))/((x/4)-(y/3)
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OpenStudy (pfenn1):
\[\frac{\frac x3 + \frac 7 4}{\frac x4-\frac y3}\]Okay let's work with one term at a time. What is the LCD of \[\frac x3 +\frac 74\]
OpenStudy (anonymous):
idk
OpenStudy (eyust707):
what is the smallest number that 3 and 4 can both go in to?
OpenStudy (anonymous):
12
OpenStudy (eyust707):
correct!
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OpenStudy (eyust707):
we call that number the least common denominator or LCD
OpenStudy (eyust707):
so for the first part the goal is to get a 12 in bottom of both fractions
OpenStudy (eyust707):
if we do that we can add them together
OpenStudy (eyust707):
|dw:1337291646728:dw|
OpenStudy (anonymous):
im sorry but im in a timed test i need to just have an answer and im vote you best answer and give you a medle please :3
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OpenStudy (anonymous):
this is super important :(
OpenStudy (eyust707):
Im afraid that is in violation of the overall spirit of open study...
OpenStudy (eyust707):
I am more than willing to help you but answers I will not give.
OpenStudy (anonymous):
il do anything please! i need to finish this for my graduation and im running out of time :(
OpenStudy (eyust707):
you could have solved it by now...
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OpenStudy (anonymous):
i cant thats why i asked open study
OpenStudy (eyust707):
if i multiply something by 1 does it change it?
OpenStudy (anonymous):
no
OpenStudy (eyust707):
correct! and would you agree that 4/4 = 1?
OpenStudy (anonymous):
yah
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OpenStudy (eyust707):
great so check this out...
OpenStudy (eyust707):
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