Greatest Common Factor of 76/31, 40/51, 56/24, 12/31

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 76/31, 40/51, 56/24, 12/31

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 76/31,40/51,56/24,12/31

Given fractions are 76/31,40/51,56/24,12/31

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 76,40,56,12

Greatest Common Factor of Numerators i.e. GCF of 76,40,56,12 is 4 .

LCM of Denominators means LCM of 31,51,24,31 as per the given fractions.

LCM of 31,51,24,31 is 12648 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 76,40,56,12

GCF of Fractions 76/31,40/51,56/24,12/31 is 4/12648

2 76, 40, 56, 12
2 38, 20, 28, 6
19, 10, 14, 3

∴ So the GCF of the given numbers is 2 x 2 = 4

Greatest Common Factor of 76,40,56,12 By Matching Biggest Common Factor Method

Greatest Common Factor of 76,40,56,12 By Matching Biggest Common Factor Method

Factors of 76

List of positive integer factors of 76 that divides 76 without a remainder.

1,2,4,19,38,76

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 56

List of positive integer factors of 56 that divides 56 without a remainder.

1,2,4,7,8,14,28,56

Factors of 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Greatest Common Factor

We found the factors 76,40,56,12 . The biggest common factor number is the GCF number.
So the greatest common factor 76,40,56,12 is 4.


Lets's calculate LCM of 31,51,24,31

3 31, 51, 24, 31
31 31, 17, 8, 31
1, 17, 8, 1

∴ So the LCM of the given numbers is 3 x 31 x 1 x 17 x 8 x 1 = 12648

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 4/12648

Therefore, the GCF of Fractions 76/31,40/51,56/24,12/31 is 4/12648

Least Common Multiple of 31,51,24,31 with GCF Formula

Least Common Multiple of 31,51,24,31 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 31,51,24,31 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(31,51,24,31) = 1

common factors(in case of two or more numbers have common factors) = 93

GCF(31,51,24,31) x common factors =1 x 93 = 93

LCM(31,51,24,31) = ( 31 × 51 × 24 × 31 ) / 93

LCM(31,51,24,31) = 1176264 / 93

LCM(31,51,24,31) = 12648


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 76/31, 40/51, 56/24, 12/31

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 76/31, 40/51, 56/24, 12/31?

Answer: GCF of Numerators as per given numbers 76/31, 40/51, 56/24, 12/31 is

GCF of Numerators i.e. for 76,40,56,12 is 4

LCM of denominators i.e. for 31,51,24,31 is 12648.

Thus, GCF of Fractions is 4/12648.Finally, GCF of Fractions for 76/31, 40/51, 56/24, 12/31 is 4/12648.