Answer:
\(\frac{1}{3}\)
Step-by-step explanation:
The division of an hexagon into 3 equal parts by Robert leaves you with three separated pieces of a whole, each one can be expressed by the fraction \(\frac{1}{3}\), since you only have one that´s your numerator, and in that part you just have to use the denominator of the number of that you divided the thing into, in this case it´s 3, so 3 it´s the denominator on the fraction.