nomor 2 gan beserta caranya ya...

2. 4 ⅔- 1 ½ : 2 ¼ =...
4 ⅔ = 14/3, 1 ½ = 3/2, 2 ¼ = 9/4
14/3-3/2 = 28/6- 9/6 = 19/6
19/6 : 9/4 = 19/6 x 4/9 = 76/54
76/54= 38/27 = 1 11/27

smoga membantu... maaf kalau salah:)