Question

Which is smaller 0.9, 75% or 4 fifths?

Answer 1

Which is smaller 0.9, 75% or 4 fifths?
75%

Answer 2

In that case, try to bring all numbers into one format.

75% = 0.75

4/5 = 0.8

So, 75% is the smallest whereas 0.9 is largest