Answer:
3/16
Explanation:
All we have to do is multiply the top with the top and the bottom with the bottom:
15(1) = 15
20(4) = 80
15/80
We have our answer, but we can simplify it by dividing top and bottom by 5:
15/5 = 3
80/5 = 16
We have our final answer, 3/16.