What is 1.6 as a fraction?

##8/5## ( as a fraction )

1.6 is the same as ##1+6/10##

Multiply by 1 and you do not change the value. However, 1 comes in many forms.

##color(green)([1color(magenta)(xx1)]+6/10" "->" "[1color(magenta)(xx10/10)]+6/10##

##10/10+6/10" " =" " (10+6)/10" " =" "16/10##

To simplify the fraction divide top and bottom by 2

##16/10 -=(16-:2)/(10-:2) = 8/5##