0.9 is a fraction. It is a fraction in decimal form rather than in the form of a ratio. However, that does not stop it being a fraction. Its rational equivalent is 9/10 which cannot be simplified.
66 turned into a fraction = 66/1
166 turned into a fraction = 166/1
30 turned into fraction form = 30/1
decimal 3 turned into a fraction = 3/100.3 * 10/10 = 3/10 in fraction
0.09 = 9/100 in fraction
-64 in fraction = -64/1
20 into a fraction = 20/1
0.3 = 3/10 in fraction
2.71 = 271/100 in fraction
0.25 = 1/4 as a fraction.
9/10 9/10, or in other words, nine tenths.
2.38 is 238/100 as an improper fraction.