[latex] frac{4}{15} [/latex] :8  [latex] frac{3}{7} [/latex] :[latex] frac{7}{10} [/latex] 3[latex] frac{3}{5} [/latex] : 4[latex] frac{1}{2} [/latex] pliss szybko 

[latex] frac{4}{15}:8= frac{4}{15}* frac{1}{8}= frac{4}{120}= frac{1}{30}[/latex] [latex] frac{3}{7}:frac{7}{10}=frac{3}{7}* frac{10}{7}= frac{30}{49}[/latex] [latex]3frac{3}{5}:4frac{1}{2}= frac{18}{5}:frac{9}{2}=frac{18}{5}*frac{2}{9}= frac{36}{45} [/latex]