Answer:
D
Step-by-step explanation:
[tex]\frac{1}{2} = \frac{7}{14} \\[/tex]
[tex]\frac{1}{7} = \frac{2}{14}[/tex]
[tex]\frac{7}{14} + \frac{2}{14} = \frac{9}{14}[/tex]
5+2=7
[tex]7 + \frac{9}{14} = 7 \frac{9}{14}[/tex]
