$${\frac{\left({\frac{{\mathtt{1}}}{{\mathtt{3}}}}\right)}{\left({\frac{{\mathtt{1}}}{{\mathtt{4}}}}\right)}}{\mathtt{\,\times\,}}\left({\frac{{\mathtt{1}}}{{\mathtt{5}}}}\right) = {\frac{{\mathtt{4}}}{{\mathtt{15}}}} = {\mathtt{0.266\: \!666\: \!666\: \!666\: \!666\: \!7}}$$
$${\frac{\left({\frac{{\mathtt{1}}}{{\mathtt{3}}}}\right)}{\left({\frac{{\mathtt{1}}}{{\mathtt{4}}}}\right)}}{\mathtt{\,\times\,}}\left({\frac{{\mathtt{1}}}{{\mathtt{5}}}}\right) = {\frac{{\mathtt{4}}}{{\mathtt{15}}}} = {\mathtt{0.266\: \!666\: \!666\: \!666\: \!666\: \!7}}$$