Answer:
see image
Explanation:
First of all, the problem might be that we need to set this up differently than how it is written.
"Subtract THIS from THAT" means that you have to put the second thing first and minus the first thing:
THAT - THIS
Next, the minus in the middle has to go to all three of the terms in the second part. This is going to change the sign of all three parts. See image.
Last, hopefully fraction addition with positive and negative signs isn't too terribly confusing.
1/5 - 2/5 is -1/5.
And -1/4 - 1/4 is -2/4, which is -1/2.
see image.
Make sure the y^2 and the y look like they are next to the whole fraction and are not on the bottom of the fraction.