# 87/72, 21/32, 7 7/2 Fractions Average Calculator

87/72, 21/32, 7 7/2 Fractions Average can be found easily using the online tool Fractions Average Calculator and get step by step procedure involved.

Average of Fractions:

## Finding Average of 87/72, 21/32, 7 7/2

Given fractions are 87/72,21/32,21/2

The LCM of 72,32,2 (denominators of the fractions) is 288

## Finding LCM of 72,32,2 by Common Division

Arrange the Inputs 72,32,2 in a horizontal line separated by commas and divide them with a prime number. Note the quotients in the next row and divide with quotients with prime numbers again. Continue the process until you have all co primes in the last.

 2 72, 32, 2 2 36, 16, 1 2 18, 8, 1 9, 4, 1

As all the numbers left in the last row are co primes you need not do the common division process further.

To obtain the Least Common Multiple, multiply the prime numbers with which you have divided the given numbers and the co primes in the last row i.e. 2 x 2 x 2 x 9 x 4 x 1 = 288

Therefore, LCM of 72,32,2 is 288

The least common Multiple (LCM) is: 288.

Rewriting as equivalent fractions with the LCM:

= 348/288,189/288,3024/288

= 348+189+3024/288

Totaling the numerator:

3561/288

Reducing the fraction:

1187/96

Dividing by the number of values: 3

The given fractions are 1187/96 and 3/1

On dividing the both fractions,1187/96 ÷ 3/1

Then the denominator of the first fraction i.e., 96 will comes to the numerator of the second fraction and gets multiplied,

And in the same way,the denominator of the second fraction i.e., 1 will comes to the numerator of the first fraction and gets multiplied:

1187/96 ÷ 3/1 = 1187 x 1/96 x 3

On Multiplying the denominators and the numerators,the fraction value we get,

1187/288

Result: 1187/288

Average of fraction = 1187/288

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### FAQs on Average of Fractions 87/72, 21/32, 7 7/2

1. What is the average of fractions 87/72, 21/32, 7 7/2 ?

Average of Fractions is 1187/288

2. How to find the Average of Fractions 87/72, 21/32, 7 7/2 ?

Set up an addition equation with the given fractions 87/72, 21/32, 7 7/2 and then find the LCD. Rewrite each of the fractions as equivalent fractions using LCD. Add the numerators and place the sum over the LCD and reduce it further.

3. Where do I find an elaborate solution to find the Average of Fractions 87/72, 21/32, 7 7/2 ?

You can find the elaborate solution to find the Average of Fractions 87/72, 21/32, 7 7/2 on our page.