Solve (12 4/7 + 2 3/14)+2 6/14
\((12 \frac{4}{7} + 2 \frac{3}{14})+2\frac{ 6}{14}=(12 \frac{8}{14} + 2 \frac{3}{14})+2\frac{ 6}{14}=14 \frac{11}{14} +2\frac{ 6}{14}=16 \frac{17}{14} =17\frac{3}{14}\)
