The denominator of a rational number is greater than its numerator by 7.

Let the numerator be $\mathrm{x}$.

The denominator is greater than the numerator by 7 .

$\therefore(\mathrm{x}+7)$

$\therefore \frac{x+17}{(x+7)-6}=2$

$\Rightarrow \frac{x+17}{x+1}=2$

$\Rightarrow x+17=2(x+1)$  (by cross multiplication)

$\Rightarrow x+17=2 x+2$

$\Rightarrow x-2 x=2-17$

$\Rightarrow-x=-15$

$\Rightarrow x=15$

Therefore, the numerator is 15 .

$\text { Denominator }=(\mathrm{x}+7)=(15+7)=22$

$\therefore$ Original number $=\frac{15}{22}$