Greatest Common Factor of 30/428, 84/813, 286/805

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 30/428, 84/813, 286/805

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 30/428,84/813,286/805

Given fractions are 30/428,84/813,286/805

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 30,84,286

Greatest Common Factor of Numerators i.e. GCF of 30,84,286 is 2 .

LCM of Denominators means LCM of 428,813,805 as per the given fractions.

LCM of 428,813,805 is 280111020 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 30,84,286

GCF of Fractions 30/428,84/813,286/805 is 2/280111020

2 30, 84, 286
15, 42, 143

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

Greatest Common Factor of 30,84,286 By Matching Biggest Common Factor Method

Greatest Common Factor of 30,84,286 By Matching Biggest Common Factor Method

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 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

Factors of 286

List of positive integer factors of 286 that divides 286 without a remainder.

1,2,11,13,22,26,143,286

Greatest Common Factor

We found the factors 30,84,286 . The biggest common factor number is the GCF number.
So the greatest common factor 30,84,286 is 2.


Lets's calculate LCM of 428,813,805

Given numbers has no common factors except 1. So, there LCM is their product i.e 280111020

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 2/280111020

Therefore, the GCF of Fractions 30/428,84/813,286/805 is 2/280111020

Least Common Multiple of 428,813,805 with GCF Formula

Least Common Multiple of 428,813,805 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 428,813,805 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(428,813,805) = 1

common factors(in case of two or more numbers have common factors) = 1

GCF(428,813,805) x common factors =1 x 1 = 1

LCM(428,813,805) = ( 428 × 813 × 805 ) / 1

LCM(428,813,805) = 280111020 / 1

LCM(428,813,805) = 280111020


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 30/428, 84/813, 286/805

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 30/428, 84/813, 286/805?

Answer: GCF of Numerators as per given numbers 30/428, 84/813, 286/805 is

GCF of Numerators i.e. for 30,84,286 is 2

LCM of denominators i.e. for 428,813,805 is 280111020.

Thus, GCF of Fractions is 2/280111020.Finally, GCF of Fractions for 30/428, 84/813, 286/805 is 2/280111020.