It is: 91/100 as a fraction or 0.91 as a decimal
0.91
this is how you write it: 3.20 .
13.03
6.03
18.05
It is 80.23
0.75
.05
3.04.
It is five hundredths.
1.91 = one and ninety-one hundredths or 1 91/100
If you mean: 91/100 then it is 0.91 as a decimal