$${\frac{{\mathtt{2}}}{{\mathtt{3}}}}{\mathtt{\,-\,}}{\frac{{\mathtt{3}}}{{\mathtt{8}}}} = {\frac{{\mathtt{7}}}{{\mathtt{24}}}} = {\mathtt{0.291\: \!666\: \!666\: \!666\: \!666\: \!7}}$$
$${\frac{{\mathtt{2}}}{{\mathtt{3}}}}{\mathtt{\,-\,}}{\frac{{\mathtt{3}}}{{\mathtt{8}}}} = {\frac{{\mathtt{16}}}{{\mathtt{24}}}}{\mathtt{\,-\,}}{\frac{{\mathtt{9}}}{{\mathtt{24}}}} = {\frac{{\mathtt{7}}}{{\mathtt{24}}}}$$
$${\frac{{\mathtt{2}}}{{\mathtt{3}}}}{\mathtt{\,-\,}}{\frac{{\mathtt{3}}}{{\mathtt{8}}}} = {\frac{{\mathtt{7}}}{{\mathtt{24}}}} = {\mathtt{0.291\: \!666\: \!666\: \!666\: \!666\: \!7}}$$
$${\frac{{\mathtt{2}}}{{\mathtt{3}}}}{\mathtt{\,-\,}}{\frac{{\mathtt{3}}}{{\mathtt{8}}}} = {\frac{{\mathtt{16}}}{{\mathtt{24}}}}{\mathtt{\,-\,}}{\frac{{\mathtt{9}}}{{\mathtt{24}}}} = {\frac{{\mathtt{7}}}{{\mathtt{24}}}}$$