Question

семнадцать двадцатых минус пять двенадцатых =

Answer 1

17/20-5/12=(3*17)/60-(5*5)/60=(51-25)/60=26/60=13/30

Answer 2

17/20 = 51/60 5/12 = 25/60 51/60 - 25/60 = 26/60 26/60 = 13/30