Greatest Common Factor of 84/638, 630/291

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 84/638, 630/291

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 84/638,630/291

Given fractions are 84/638,630/291

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 84,630

Greatest Common Factor of Numerators i.e. GCF of 84,630 is 42 .

LCM of Denominators means LCM of 638,291 as per the given fractions.

LCM of 638,291 is 185658 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 84,630

GCF of Fractions 84/638,630/291 is 42/185658

2 84, 630
3 42, 315
7 14, 105
2, 15

∴ So the GCF of the given numbers is 2 x 3 x 7 = 42

Greatest Common Factor of 84,630 By Matching Biggest Common Factor Method

Greatest Common Factor of 84,630 By Matching Biggest Common Factor Method

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 630

List of positive integer factors of 630 that divides 630 without a remainder.

1,2,3,5,6,7,9,10,14,15,18,21,30,35,42,45,63,70,90,105,126,210,315,630

Greatest Common Factor

We found the factors 84,630 . The biggest common factor number is the GCF number.
So the greatest common factor 84,630 is 42.


Lets's calculate LCM of 638,291

Given numbers has no common factors except 1. So, there LCM is their product i.e 185658

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 42/185658

Therefore, the GCF of Fractions 84/638,630/291 is 42/185658

Least Common Multiple of 638,291 with GCF Formula

Least Common Multiple of 638,291 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 638,291 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(638,291) = 1

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

GCF(638,291) x common factors =1 x 1 = 1

LCM(638,291) = ( 638 × 291 ) / 1

LCM(638,291) = 185658 / 1

LCM(638,291) = 185658


GCF of Fractions Calculation Examples

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GCF of Fractions Calculation Examples

Frequently Asked Questions on Fractional GCF of 84/638, 630/291

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 84/638, 630/291?

Answer: GCF of Numerators as per given numbers 84/638, 630/291 is

GCF of Numerators i.e. for 84,630 is 42

LCM of denominators i.e. for 638,291 is 185658.

Thus, GCF of Fractions is 42/185658.Finally, GCF of Fractions for 84/638, 630/291 is 42/185658.