Fractions are always represented in the numerator and denominator forms.
The final fraction form is 1/21.
How to calculate the fractions?
The below expressions can give us a better idea to solve any fractions.
[tex]\dfrac{a/b}{c/d}=\dfrac{a \times d}{ b \times c}[/tex]
Calculations :
[tex]\begin{aligned}\dfrac{1/3}{7}&=\dfrac{1}{3 \times 7}\\&=\dfrac{1}{21} \end{aligned}[/tex]
Thus, the value of the final fraction is 1/21.
To know more about the fractions, please refer to the link:
https://brainly.com/question/1301963
