jika 2 1per3-1 1per8+5per12 =n,maka nilai n adalah

2 1/3 - 1 1/8 + 5/12
= 7/3 - 9/8 + 5/12
= 56/24 - 27/24 + 10/24
= 29/24 + 10/24
= 39/24
= 1 15/24
= 1 (15:3)/(24:3)
= 1 5/8