Hasil dari 0,6 +1per2+(2 per 3-0,25)di kali 1 4 per 5 =

0,6 + 1/2 + (2/3 – 0,25) * 1 4/5
= 6/10 + 5/10 + (2/3 – 1/4) * 9/5
= 11/10 + (8/12 – 3/12) * 9/5
= 11/10 + 5/12 * 9/5
= 11/10 + 45/60
= 66/60 + 45/60
= 115/60
= 23/12