Question

What is the ratio of 0.9 and 0.8

Answer 1

9/10:8/10 is the answer.

Answer 2

0.9 : 0.8
9/10 : 8/10
(9/10) × (10/8)
(9×10) / (10×8)
90 / 80
9 / 8
9 : 8