Greatest Common Factor of 9/21, 30/142, 58/568

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 9/21, 30/142, 58/568

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 9/21,30/142,58/568

Given fractions are 9/21,30/142,58/568

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 9,30,58

Greatest Common Factor of Numerators i.e. GCF of 9,30,58 is 1 .

LCM of Denominators means LCM of 21,142,568 as per the given fractions.

LCM of 21,142,568 is 11928 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 9,30,58

GCF of Fractions 9/21,30/142,58/568 is 1/11928

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

Greatest Common Factor of 9,30,58 By Matching Biggest Common Factor Method

Greatest Common Factor of 9,30,58 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 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 58

List of positive integer factors of 58 that divides 58 without a remainder.

1,2,29,58

Greatest Common Factor

We found the factors 9,30,58 . The biggest common factor number is the GCF number.
So the greatest common factor 9,30,58 is 1.


Lets's calculate LCM of 21,142,568

2 21, 142, 568
71 21, 71, 284
21, 1, 4

∴ So the LCM of the given numbers is 2 x 71 x 21 x 1 x 4 = 11928

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/11928

Therefore, the GCF of Fractions 9/21,30/142,58/568 is 1/11928

Least Common Multiple of 21,142,568 with GCF Formula

Least Common Multiple of 21,142,568 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 21,142,568 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(21,142,568) = 1

common factors(in case of two or more numbers have common factors) = 142

GCF(21,142,568) x common factors =1 x 142 = 142

LCM(21,142,568) = ( 21 × 142 × 568 ) / 142

LCM(21,142,568) = 1693776 / 142

LCM(21,142,568) = 11928


GCF of Fractions Calculation Examples

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GCF of Fractions Calculation Examples

Frequently Asked Questions on Fractional GCF of 9/21, 30/142, 58/568

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, 30/142, 58/568?

Answer: GCF of Numerators as per given numbers 9/21, 30/142, 58/568 is

GCF of Numerators i.e. for 9,30,58 is 1

LCM of denominators i.e. for 21,142,568 is 11928.

Thus, GCF of Fractions is 1/11928.Finally, GCF of Fractions for 9/21, 30/142, 58/568 is 1/11928.