Simplify Express Final Results Using Positive Exponents Only $\frac { 10 b ^ { \frac { 1 } { 4 } } } { 2 b ^ { \frac { 5 } { 4 } } }$

Simplify. Express final results using positive exponents only. $\frac { 10 b ^ { \frac { 1 } { 4 } } } { 2 b ^ { \frac { 5 } { 4 } } }$