This a multiplication of fractions, the result is a fraction with the numerator eauls to the product of the numerators and the denominator equals to the product of the denominators, so:
[tex]\frac{6}{7}\cdot\frac{1}{2}=\frac{6\cdot1}{7\cdot2}=\frac{6}{14}=\frac{3}{7}[/tex]The result is 3/7