+118723 2/3-(-3/4) + 5/4
$${\frac{{\mathtt{2}}}{{\mathtt{3}}}}{\mathtt{\,\small\textbf+\,}}\left({\frac{{\mathtt{3}}}{{\mathtt{4}}}}\right){\mathtt{\,\small\textbf+\,}}{\frac{{\mathtt{5}}}{{\mathtt{4}}}} = {\frac{{\mathtt{8}}}{{\mathtt{3}}}} = {\mathtt{2.666\: \!666\: \!666\: \!666\: \!666\: \!7}}$$
= $$2\frac{2}{3}$$
+118723 2/3-(-3/4) + 5/4
$${\frac{{\mathtt{2}}}{{\mathtt{3}}}}{\mathtt{\,\small\textbf+\,}}\left({\frac{{\mathtt{3}}}{{\mathtt{4}}}}\right){\mathtt{\,\small\textbf+\,}}{\frac{{\mathtt{5}}}{{\mathtt{4}}}} = {\frac{{\mathtt{8}}}{{\mathtt{3}}}} = {\mathtt{2.666\: \!666\: \!666\: \!666\: \!666\: \!7}}$$
= $$2\frac{2}{3}$$
