Answer:
It should be [tex]\frac{3}{14}[/tex]
Step-by-step explanation:
[tex]\frac{1}{2}=\frac{7}{14}[/tex]
[tex]\frac{2}{7} =\frac{4}{14}[/tex]
[tex]\frac{4}{14}+ \frac{7}{14}=\frac{11}{14}[/tex]