Tolong jawab dgn cara kerjanya yab

7. 60/84=30/42=15/21 opsi D

8. 2 1/5-1/3
11/5-1/3
33/15-5/15
28/15=1 13/15 opsi A

9. 2 5/6÷4/5
17/6×5/4
85/24=3 13/24 opsi A

Semoga bermanfaat

[tex] 7. \\ \frac{60}{84} = \frac{5}{7} (b) \\ \\ 8. \\ 2 \frac{1}{5} - \frac{1}{3} = \frac{11}{5} - \frac{1}{3} \\ \frac{33 - 5}{15} \\ \frac{28}{15} \\ 1 \frac{13}{15} (a) \\ \\ 9. \\ 2 \frac{5}{6} \div \frac{4}{5} \\ \frac{17}{6} \times \frac{5}{4} \\ \frac{85}{24} \\ 3 \frac{13}{24} (a)[/tex]