to compare, divide into decimals.
4/5= 0.80
5/6 = 0.833333333
They have the same tenths value, but as you go further, there are no more place values for 4/5. We can see that 5/6 has a 3, so 5/6 is greater, because it has a higher place value. Hope this helps! :D
final answer:
4/5 > 5/6 , or A