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A pair of colored dice (one red and one blue) is rolled. Each die has faces numbered 1 to 6. The table below shows the possible outcomes for the two dice.

$\begin{aligned} blue die \\ red die \end{aligned}$	$1$	$2$	$3$	$4$	$5$	$6$
$1$	$11$	$12$	$13$	$14$	$15$	$16$
$2$	$21$	$22$	$23$	$24$	$25$	$26$
$3$	$31$	$32$	$33$	$34$	$35$	$36$
$4$	$41$	$42$	$43$	$44$	$45$	$46$
$5$	$51$	$52$	$53$	$54$	$55$	$56$
$6$	$61$	$62$	$63$	$64$	$65$	$66$

Calculate the probability that the sum of the two dice is greater than or equal to 11, simplifying the fraction.

P ("sum \geq 11 ") =