Answer:
1/16
Step-by-step explanation:
a = 5
a/4 = 15/12
We can use cross products to solve
a* 12 = 4*15
12a = 60
Divide each side by 12
12a/12 = 60/12
a =5
Answer: when a number is multiplied by itself, it will give you a perfect square.
For example: 5x5= 25 or 4x4= 16.
2/5x3/12=6/36