9/10 = 0.9
thirty and nine tenth in decimal = 30.9
3.9
9.1
Nine and one tenth.
One twentieth is equal to one tenth multiplied by one half, or 1/10 * 1/2, or 0.1 * 0.5, which equals 0.05. Nine of those would be equal to 0.45.
It is: 1/10 = 0.1
nine fourths or 9/4 is equal to 2.25
It is 9/10, of course!
9/10 as a decimal is 0.9
.75
9/12 is equal to 0.75
0.999