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) $\frac { 33 } { 40 }$

Question

Quizplus · Accepted Answer

To find the average of $\frac{2}{5}$ and $\frac{5}{4}$, first find their sum: $\frac{2}{5} + \frac{5}{4} = \frac{8}{20} + \frac{25}{20} = \frac{33}{20}$. Then divide by 2: $\frac{33}{20} \div 2 = \frac{33}{40}$.

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