355/113
$${\mathtt{\pi}} = {\mathtt{3.141\: \!592\: \!653\: \!589\: \!793\: \!2}}$$
$${\frac{{\mathtt{355}}}{{\mathtt{113}}}} = {\mathtt{3.141\: \!592\: \!920\: \!353\: \!982\: \!3}}$$
PI with much more scientific