Question

Find the average mean of 2/4, 18/5, 28/10, 5/20

Answer 1

2/4 + 18/5 + 28/10 + 5/20 = 143/20 (total)
143/20 ÷ 4 = 1 63/80

Ans: 1 63/80 or 1.7875 

:)

Answer 2

Answer:

Average mean of the fractions is $1\frac{63}{80}$.

Step-by-step explanation:

We have to find the average mean of the given fractions

$\frac{2}{4}, \frac{18}{5}, \frac{28}{10}, \frac{5}{20}$

Since mean of numbers is represented by the expression

Mean = $\frac{\text{Sum of fractions}}{\text{Number of fractions}}$

         = $\frac{\frac{2}{4}+\frac{18}{5}+\frac{28}{10}+\frac{5}{20}}{4}$

         = $\frac{\frac{1}{2}+\frac{18}{5}+\frac{14}{5}+\frac{1}{4}}{4}$

         = $\frac{\frac{10+72+56+5}{20}}{4}$

         = $\frac{143}{80}$

         = $1\frac{63}{80}$

Therefore, average mean of the fractions is $1\frac{63}{80}$.