Greatest Common Factor of 42/51, 21/34, 60/97, 10/309

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 42/51, 21/34, 60/97, 10/309

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 42/51,21/34,60/97,10/309

Given fractions are 42/51,21/34,60/97,10/309

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 42,21,60,10

Greatest Common Factor of Numerators i.e. GCF of 42,21,60,10 is 1 .

LCM of Denominators means LCM of 51,34,97,309 as per the given fractions.

LCM of 51,34,97,309 is 1019082 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 42,21,60,10

GCF of Fractions 42/51,21/34,60/97,10/309 is 1/1019082

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

Greatest Common Factor of 42,21,60,10 By Matching Biggest Common Factor Method

Greatest Common Factor of 42,21,60,10 By Matching Biggest Common Factor Method

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 21

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

1,3,7,21

Factors of 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Factors of 10

List of positive integer factors of 10 that divides 10 without a remainder.

1,2,5,10

Greatest Common Factor

We found the factors 42,21,60,10 . The biggest common factor number is the GCF number.
So the greatest common factor 42,21,60,10 is 1.


Lets's calculate LCM of 51,34,97,309

3 51, 34, 97, 309
17 17, 34, 97, 103
1, 2, 97, 103

∴ So the LCM of the given numbers is 3 x 17 x 1 x 2 x 97 x 103 = 1019082

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/1019082

Therefore, the GCF of Fractions 42/51,21/34,60/97,10/309 is 1/1019082

Least Common Multiple of 51,34,97,309 with GCF Formula

Least Common Multiple of 51,34,97,309 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 51,34,97,309 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(51,34,97,309) = 1

common factors(in case of two or more numbers have common factors) = 51

GCF(51,34,97,309) x common factors =1 x 51 = 51

LCM(51,34,97,309) = ( 51 × 34 × 97 × 309 ) / 51

LCM(51,34,97,309) = 51973182 / 51

LCM(51,34,97,309) = 1019082


GCF of Fractions Calculation Examples

Here are some samples of GCF of Fractions calculations.

GCF of Fractions Calculation Examples

Frequently Asked Questions on Fractional GCF of 42/51, 21/34, 60/97, 10/309

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 42/51, 21/34, 60/97, 10/309?

Answer: GCF of Numerators as per given numbers 42/51, 21/34, 60/97, 10/309 is

GCF of Numerators i.e. for 42,21,60,10 is 1

LCM of denominators i.e. for 51,34,97,309 is 1019082.

Thus, GCF of Fractions is 1/1019082.Finally, GCF of Fractions for 42/51, 21/34, 60/97, 10/309 is 1/1019082.