Greatest Common Factor of 470/639, 840/955

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 470/639, 840/955

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 470/639,840/955

Given fractions are 470/639,840/955

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 470,840

Greatest Common Factor of Numerators i.e. GCF of 470,840 is 10 .

LCM of Denominators means LCM of 639,955 as per the given fractions.

LCM of 639,955 is 610245 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 470,840

GCF of Fractions 470/639,840/955 is 10/610245

2 470, 840
5 235, 420
47, 84

∴ So the GCF of the given numbers is 2 x 5 = 10

Greatest Common Factor of 470,840 By Matching Biggest Common Factor Method

Greatest Common Factor of 470,840 By Matching Biggest Common Factor Method

Factors of 470

List of positive integer factors of 470 that divides 470 without a remainder.

1,2,5,10,47,94,235,470

Factors of 840

List of positive integer factors of 840 that divides 840 without a remainder.

1,2,3,4,5,6,7,8,10,12,14,15,20,21,24,28,30,35,40,42,56,60,70,84,105,120,140,168,210,280,420,840

Greatest Common Factor

We found the factors 470,840 . The biggest common factor number is the GCF number.
So the greatest common factor 470,840 is 10.


Lets's calculate LCM of 639,955

Given numbers has no common factors except 1. So, there LCM is their product i.e 610245

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 10/610245

Therefore, the GCF of Fractions 470/639,840/955 is 10/610245

Least Common Multiple of 639,955 with GCF Formula

Least Common Multiple of 639,955 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 639,955 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(639,955) = 1

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

GCF(639,955) x common factors =1 x 1 = 1

LCM(639,955) = ( 639 × 955 ) / 1

LCM(639,955) = 610245 / 1

LCM(639,955) = 610245


GCF of Fractions Calculation Examples

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GCF of Fractions Calculation Examples

Frequently Asked Questions on Fractional GCF of 470/639, 840/955

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 470/639, 840/955?

Answer: GCF of Numerators as per given numbers 470/639, 840/955 is

GCF of Numerators i.e. for 470,840 is 10

LCM of denominators i.e. for 639,955 is 610245.

Thus, GCF of Fractions is 10/610245.Finally, GCF of Fractions for 470/639, 840/955 is 10/610245.