Question

is 4/5 less than or greater than 16/20

Answer 1

equals the same
16 4
--- dividid by 4 = ---
20 5

Answer 2

They are equal actually. If you simplify 16/20 by dividing by 4 you get 4/5

Answer 3

which would you rather have:

4/5 of $20

or

16/20 of $20 ?