8
$\frac{1}{6}+\frac{5}{6}+\frac{1}{6}=$ $\frac{1}{4}+\frac{5}{8}+\frac{1}{4}=$
$\frac{4}{5}+\frac{3}{10}+\frac{1}{10}=$ $\frac{1}{2}+\frac{1}{6}+\frac{1}{4}=$
$1-\frac{1}{2}-\frac{1}{3}=$ $\frac{1}{12}+\frac{5}{12}+\frac{1}{6}=$
$\frac{1}{2}+\frac{1}{3}+\frac{1}{6}=$ $\frac{5}{6}-\frac{3}{8}-\frac{1}{3}=$
$\frac{5}{6}-\frac{1}{2}-\frac{1}{3}=$ $\frac{1}{6}+\frac{5}{9}+\frac{1}{9}=$
$\frac{1}{2}+\frac{1}{2}+\frac{1}{3}=$ $\frac{7}{10}-\frac{3}{15}-\frac{3}{10}=$