Answer:
[tex]\frac{1}{28}[/tex]
Step-by-step explanation:
The result is given by means of some algebraic handling:
[tex]\frac{3}{16}\times \frac{4}{21}[/tex]
[tex]\frac{12}{336}[/tex] - Multiplication of rationals.
[tex]\frac{6}{168}[/tex] - Dividing each term by 2.
[tex]\frac{3}{84}[/tex] - Dividing each term by 2.
[tex]\frac{1}{28}[/tex] - Dividing each term by 3.