jawabannya apa ya,pliis,besok dikumpulin..

1 3/5 : 1 1/7
= 8/5 : 8/7
= 5 : 7

maaf kalau salah

[tex]1 \frac{3}{5} \div 1 \frac{1}{7} \\ = \frac{8}{5} \div \frac{8}{7} \\ = \frac{8}{5} \times 35 \div \frac{8}{7} \times 35 \\ = 56 \div 64 \\ = \frac{56}{8} \div \frac{64}{8} \\ = 7 \div 8 \\ \\ jawaban \: (b)[/tex]