Explanation:

- Aadish completes the entire work in 14 days.

- He has already worked for 8 days.

- In 8 days, Aadish completes $\frac{8}{14}=\frac{4}{7}$ of the work.

- The fraction of the work left is $1-\frac{4}{7}=\frac{3}{7}$.

- Option 2: $\frac{3}{7}$ accurately represents the remaining work.

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