Question

the Arithmetic mean of 1/ 7 and 1 / 9

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Answer 1

the Arithmetic mean of 1/ 7 and 1 / 9 = 8/63

(1/7+1/9)/2= 8/63

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Answer 2

Arithmetic mean of 1/7 and 1/9 is 8/63.

Given:

• Two numbers;
• $\frac{1}{7} \: and \: \frac{1}{9}$

To find:

• Find the arithmetic mean of given numbers.

Solution:

Formula/concept to be used:

• Mean= Sum of numbers/Total numbers
• Add the numbers.
• Divide the sum by 2.

Step 1:

Find the addition of two numbers.

The numbers are 1/7 and 1/9.

$\frac{1}{7} + \frac{1}{9} = \frac{9 + 7}{63}$

$\bf \frac{1}{7} + \frac{1}{9} = \frac{16}{63}$

Thus,

The addition of two numbers is 16/63.

Step 2:

Find the arithmetic mean of given numbers.

Arithmetic mean$= \frac{Sum \: of \: both \: numbers}{2}$

$AM = \frac{ \frac{16}{63} }{2}$

$AM = \frac{16}{2 \times 63}$

$\bf AM = \frac{8}{63}$

Thus,

The arithmetic mean of 1/7 and 1/9 is 8/63.

Learn more:

1) arithmetic mean of 1/2 and 1/3

https://brainly.in/question/915517

2)Geometric mean of 4 and 8 is

https://brainly.in/question/19521014

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