Final answer:
According to the question, Andre read for 5/8 minutes more than Kiran. So, Andre read for x + 5/8 minutes.
Step-by-step explanation:
To write an equation that relates the number of minutes Kiran read with the number of minutes Andre read, we can use the information given. 
Let's assume Kiran read for x minutes. 
According to the question, Andre read for 5/8 minutes more than Kiran. 
So, Andre read for x + 5/8 minutes. 
We can write the equation as:
x + 5/8 = y