Respuesta :

8.5 - 1/25

85/10 - 1/25               LCM of 10 and 25 is 50

(85/10)*(5/5) - (1/25)*(2/2)

425/50 - 2/50

= (425 - 2)/50

= 423/50

= 8  23/50   or 8.46

Hope this helps.