\(\frac{2}{7}+\frac{1}{7}=\)

\(\frac{7}{15}-\frac{4}{15}=\)

\(\frac{1}{2}+\frac{1}{4}=\)

\(\frac{5}{7}-\frac{3}{14}=\)

\(\frac{3}{5}+\frac{1}{4}=\)

\(\frac{3}{5}-\frac{3}{7}=\)

\(\frac{1}{8}+\frac{1}{5}+\frac{1}{3}=\)

\(\frac{5}{8}+\frac{3}{5}-\frac{2}{3}=\)

\(\frac{1}{7}-\frac{1}{14}+\frac{1}{6}=\)

\(\frac{2}{7}-\frac{5}{6}+\frac{4}{7}=\)