3/5*3/3=9/15
1/3*5/5=5/15
15 is a common denominator.
Used show you have more than what is needed. Example is you need 6 slices of pizza for all your friends but have 7 slices you have more than is needed.
so, x =

and y =

Hence, the answer is the first one.
Answer:
12 20 15
Step-by-step explanation:
I think it should be 50, really sorry if it wasn't multiplying.