Answer:
1st, 2nd, and last.
Step-by-step explanation:
For the first two common rules can be applied such as = and that
and for the last one this is just simplifying the radical and if you factor it you realize that, meaning that you can take the radical off of 5/8 and end up with that final answer
4/15
Multiple the numerator by numerator, and denominator by denominator, then simplify