Greatest Common Factor of 9/21, 23/825, 18/539

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 9/21, 23/825, 18/539

Enter two or more fractions separated by "commas"

Ex: 2/3, 5/7 or 3/5, 5/9, 7/3

GCF of:

Greatest Common Factor of 9/21,23/825,18/539

Given fractions are 9/21,23/825,18/539

Formula to find GCF of Fractions is

GCF = GCF of Numerators/LCM of Denominators

As per the formula GCF of Fractions let’s split into two parts and find the GCF of Numerators and LCM of Denominators

In the given fractions GCF of Numerators means GCF of 9,23,18

Greatest Common Factor of Numerators i.e. GCF of 9,23,18 is 1 .

LCM of Denominators means LCM of 21,825,539 as per the given fractions.

LCM of 21,825,539 is 40425 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 9,23,18

GCF of Fractions 9/21,23/825,18/539 is 1/40425

∴ So GCF of numbers is 1 because of no common factors present between them.

Greatest Common Factor of 9,23,18 By Matching Biggest Common Factor Method

Greatest Common Factor of 9,23,18 By Matching Biggest Common Factor Method

Factors of 9

List of positive integer factors of 9 that divides 9 without a remainder.

1,3,9

Factors of 23

List of positive integer factors of 23 that divides 23 without a remainder.

1,23

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Greatest Common Factor

We found the factors 9,23,18 . The biggest common factor number is the GCF number.
So the greatest common factor 9,23,18 is 1.


Lets's calculate LCM of 21,825,539

3 21, 825, 539
7 7, 275, 539
11 1, 275, 77
1, 25, 7

∴ So the LCM of the given numbers is 3 x 7 x 11 x 1 x 25 x 7 = 40425

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/40425

Therefore, the GCF of Fractions 9/21,23/825,18/539 is 1/40425

Least Common Multiple of 21,825,539 with GCF Formula

Least Common Multiple of 21,825,539 with GCF Formula

The formula of LCM is LCM(a1,a2,a3....,an) = ( a1 × a2 × a3 × .... × an) / GCF(a1,a2,a3....,an) x common factors(if more than 2 numbers have common factors).

We need to calculate greatest common factor of 21,825,539 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(21,825,539) = 1

common factors(in case of two or more numbers have common factors) = 231

GCF(21,825,539) x common factors =1 x 231 = 231

LCM(21,825,539) = ( 21 × 825 × 539 ) / 231

LCM(21,825,539) = 9338175 / 231

LCM(21,825,539) = 40425


GCF of Fractions Calculation Examples

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GCF of Fractions Calculation Examples

Frequently Asked Questions on Fractional GCF of 9/21, 23/825, 18/539

1. How to find GCF in Fractions?

Answer: GCF of fractions can be found using the simple formula GCF of Fractions = GCF of Numerators/LCM of Denominators.

2. What is the GCF of Fractions for 9/21, 23/825, 18/539?

Answer: GCF of Numerators as per given numbers 9/21, 23/825, 18/539 is

GCF of Numerators i.e. for 9,23,18 is 1

LCM of denominators i.e. for 21,825,539 is 40425.

Thus, GCF of Fractions is 1/40425.Finally, GCF of Fractions for 9/21, 23/825, 18/539 is 1/40425.