hasil dari ini brp yaa kak

3/8+5/6 =9/24+20/24 =29/24 = 1 5/24 (C)
5/9-7/12= 20/36-21/36 = -1/36 (B)
3 1/6 + 2 3/4 = (3+2) + 1/6 + 3/4 = (3+2) + 2/12 + 9/12 = 5 11/12 (A).