Solve the Problem $\frac { 2 } { 5 }$ And $\frac { 5 } { 4 }$

Multiple Choice

Solve the problem.
-Find the average of $\frac { 2 } { 5 }$ and $\frac { 5 } { 4 }$ (Hint: To find the average of two numbers, find their sum and divide by 2 .)

A) $\frac { 1 } { 4 }$
B) $\frac { 33 } { 10 }$
C) $\frac { 7 } { 18 }$
D) $\frac { 33 } { 40 }$