Jawaban:
[tex]6 \frac{4}{7} \times 35 \\ = \frac{46}{7} \times \frac{35}{1} \\ = \frac{1.610}{7} = \\ = \frac{230}{1} \\ = 230[/tex]
[tex]8 \frac{4}{10} \times 40 \\ = \frac{84}{10} \times \frac{40}{1} \\ = \frac{3360}{10} \\ = \frac{336}{1} \\ = 336[/tex]