In following questions pick the odd thing out :
Each of the questions follow a definite pattern. Observe the same and fill in the blanks with suitable answers.
$$\frac{2}{3}, \frac{5}{7}, \frac{9}{11}, .........., \frac{19}{23}$$
$$\frac{5}{3}, \frac{29}{6}, .............. \frac{131}{12}, \frac{179}{15}$$