Greatest Common Factor of 54/191, 21/249, 147/381

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 54/191, 21/249, 147/381

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 54/191,21/249,147/381

Given fractions are 54/191,21/249,147/381

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 54,21,147

Greatest Common Factor of Numerators i.e. GCF of 54,21,147 is 3 .

LCM of Denominators means LCM of 191,249,381 as per the given fractions.

LCM of 191,249,381 is 6039993 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 54,21,147

GCF of Fractions 54/191,21/249,147/381 is 3/6039993

3 54, 21, 147
18, 7, 49

∴ So the GCF of the given numbers is 3 = 3

Greatest Common Factor of 54,21,147 By Matching Biggest Common Factor Method

Greatest Common Factor of 54,21,147 By Matching Biggest Common Factor Method

Factors of 54

List of positive integer factors of 54 that divides 54 without a remainder.

1,2,3,6,9,18,27,54

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 147

List of positive integer factors of 147 that divides 147 without a remainder.

1,3,7,21,49,147

Greatest Common Factor

We found the factors 54,21,147 . The biggest common factor number is the GCF number.
So the greatest common factor 54,21,147 is 3.


Lets's calculate LCM of 191,249,381

3 191, 249, 381
191, 83, 127

∴ So the LCM of the given numbers is 3 x 191 x 83 x 127 = 6039993

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 3/6039993

Therefore, the GCF of Fractions 54/191,21/249,147/381 is 3/6039993

Least Common Multiple of 191,249,381 with GCF Formula

Least Common Multiple of 191,249,381 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 191,249,381 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(191,249,381) = 1

common factors(in case of two or more numbers have common factors) = 3

GCF(191,249,381) x common factors =1 x 3 = 3

LCM(191,249,381) = ( 191 × 249 × 381 ) / 3

LCM(191,249,381) = 18119979 / 3

LCM(191,249,381) = 6039993


GCF of Fractions Calculation Examples

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GCF of Fractions Calculation Examples

Frequently Asked Questions on Fractional GCF of 54/191, 21/249, 147/381

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 54/191, 21/249, 147/381?

Answer: GCF of Numerators as per given numbers 54/191, 21/249, 147/381 is

GCF of Numerators i.e. for 54,21,147 is 3

LCM of denominators i.e. for 191,249,381 is 6039993.

Thus, GCF of Fractions is 3/6039993.Finally, GCF of Fractions for 54/191, 21/249, 147/381 is 3/6039993.