isilah pertanyaan berikut...dengan caranya

3.) 1/2 + 5/6 - 2/3 = 6/12 + 10/12 - 8/12
= 16/12 - 8/12
= 8/12 = 2/3

4.) 5/8 × 2/9 = 10/72
= 5/36

5.) 1 5/8 + 3/4 = 13/8 + 3/4
= 13/8 + 6/8
= 19/8 = 2 3/8

semoga membantu ^^