One die has two faces marked 1, two faces marked 2, one face marked 3 and one face marked 4. Another die has one face marked 1, two faces marked 2,…

One die has two faces marked $\displaystyle 1$ , two faces marked $\displaystyle 2$ , one face marked $\displaystyle 3$ and one face marked $\displaystyle 4$ . Another die has one face marked $\displaystyle 1$, two faces marked $\displaystyle 2$, two faces marked $\displaystyle 3$ and one face marked 4. The probability of getting the sum of numbers to be $\displaystyle 4$ or $\displaystyle 5$, when both the dice are thrown together, is