$$\left. \begin{array} { l } { \frac { 1 } { 4 } \times 6 } \\ { \frac { 7 } { 7 } \times 6 } \\ { \frac { 1 } { 8 } \times 3 } \\ { \frac { 15 } { 16 } \times 4 } \\ { \frac { 15 } { 6 } \times 4 } \end{array} \right.$$
$\frac{3}{8},\frac{3}{2},\frac{15}{4},6,10$
$\frac{3}{2},\ 6,\ \frac{3}{8},\ \frac{15}{4},\ 10$