Tolong jawab pake cara

3/7.
[tex]8 \frac{5}{7} + \frac{8}{21} = \frac{61}{7} + \frac{8}{21} = \frac{183}{21} + \frac{8}{21} = \frac{191}{21} = 9 \frac{2}{21} [/tex]
3/8.
[tex] \frac{6}{18} + 4 \frac{4}{6} = \frac{6}{18} + 4 \frac{12}{18} = 4 \frac{18}{18} = 5[/tex]

Semoga membantu...maaf kalau salah..