# How this step was done

In the question, the term $\frac{k}{3}+1=\frac{k+3}{3}$ has been done by taking 3 as the LCM of $\frac{k}{3}$ and 1.

Regards

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In the question, the term $\frac{k}{3}+1=\frac{k+3}{3}$ has been done by taking 3 as the LCM of $\frac{k}{3}$ and 1.

Regards

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