How do you make 0.845 into a fraction?

These are the steps to convert a decimal into a fraction:

(1) Place a 1 under the decimal to convert it to fraction form: .845/1

(2) Remove the decimal and place as many 0's to the right of the 1 as there are numbers to the right of the decimal: 845/1000

(3) Reduce the fraction to its lowest term: 169/200