Simplifying Rational Expressions

[Gragadoodle]

I have no idea how to solve this:

 

[pka]

I have no idea how to solve this:

View attachment 3192

There is nothing there to solve because that is not an equation.

However \(\displaystyle \dfrac{\frac{1}{x}+\frac{1}{y}}{x+y}\) can be simplified to \(\displaystyle \dfrac{y+x}{xy(x+y)}=\dfrac{1}{xy}\)

 

[Gragadoodle]

There is nothing there to solve because that is not an equation.

However \(\displaystyle \dfrac{\frac{1}{x}+\frac{1}{y}}{x+y}\) can be simplified to \(\displaystyle \dfrac{y+x}{xy(x+y)}=\dfrac{1}{xy}\)

Yes, I meant I can't simplify it. Sorry!

Why did you multiply the bottom by xy?

 

[stapel]

Yes, I meant I can't simplify it. Sorry!

Why did you multiply the bottom by xy?

To learn how to simplify complex fractions, try studying a lesson or two from online.

 

[Bob Brown MSEE]

Yes, I meant I can't simplify it. Sorry!

Why did you multiply the bottom by xy?

Because he multiplied the top by xy.