26. In the game "Sanguosha", there is 1 Lord, 3 Loyalists, 5 Rebels, and 1 Traitor, a total of 10 people participating in the game. Among them, the Lord and the Loyalists are on the same team, the Rebels are on the same team, and the Traitor is on their own team. Now, two brothers are participating in the same game of "Sanguosha", so the probability that the two brothers are on the same team is $\qquad$. (Express the result as a simplified fraction)
$\frac{16}{45}$