Tolong jawab Nomor 12 dan nomor 13

12. 3 3/4 - 5/6 = 15/4 - 5/6 = 45/12 - 10/12 = 35/12 = 2 11/12   C

13.12 1/2 + 5 3/4 + 8 5/6 = 25/2 + 23/4 +53/6 = 150/12 + 69/12 + 106/12 = 325/12 = 27 1/12    C