could you help please
I'm seeing your problem as:
When simplifying fractions of this type, locate parts with like bases and subtract exponents. The y's go together, and the z's go together.
Y's: 5 - 3 = 2 So we have y^2 for the y-term.
Since y^5 is bigger, keep the answer below.
Z's: these are the same and cancel out to be an understood 1
So our answer is: