How do you add #\frac { - 5} { 9v ^ { 3} w ^ { 2} } + \frac { 3} { 4v ^ { 2} w }#?

1 Answer
Gerardina C.
Oct 9, 2017

#=(-20+27vw)/(36v^3w^2)#

Explanation:

We would sum the fractions by finding the LCM of their denominators, that's

#LCM(9v^3w^2;4v^2w)=36v^3w^2#

and reduce them to one fraction:

#(-5(4)+3(9vw))/(36v^3w^2)#

#=(-20+27vw)/(36v^3w^2)#

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