\frac{9}{9}=1\\ 3\frac{17}{17} - 2\frac{5}{17}-1\frac{3}{17}=\frac{9}{17}>7\frac{5}{7}-7\frac{3}{7}=\frac{3}{7}\\3\frac{9}{11}-3\frac{3}{11}=3\frac{6}{11}>4\frac{4}{5}-4\frac{3}{5}=\frac{1}{5}" alt="\frac{11}{15}+ \frac{8}{15}=\frac{19}{15}=1\frac{4}{15}>\frac{9}{9}=1\\ 3\frac{17}{17} - 2\frac{5}{17}-1\frac{3}{17}=\frac{9}{17}>7\frac{5}{7}-7\frac{3}{7}=\frac{3}{7}\\3\frac{9}{11}-3\frac{3}{11}=3\frac{6}{11}>4\frac{4}{5}-4\frac{3}{5}=\frac{1}{5}" align="absmiddle" class="latex-formula">