Greatest Common Factor of 408/378, 108/166

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 408/378, 108/166

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 408/378,108/166

Given fractions are 408/378,108/166

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 408,108

Greatest Common Factor of Numerators i.e. GCF of 408,108 is 12 .

LCM of Denominators means LCM of 378,166 as per the given fractions.

LCM of 378,166 is 31374 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 408,108

GCF of Fractions 408/378,108/166 is 12/31374

2 408, 108
2 204, 54
3 102, 27
34, 9

∴ So the GCF of the given numbers is 2 x 2 x 3 = 12

Greatest Common Factor of 408,108 By Matching Biggest Common Factor Method

Greatest Common Factor of 408,108 By Matching Biggest Common Factor Method

Factors of 408

List of positive integer factors of 408 that divides 408 without a remainder.

1,2,3,4,6,8,12,17,24,34,51,68,102,136,204,408

Factors of 108

List of positive integer factors of 108 that divides 108 without a remainder.

1,2,3,4,6,9,12,18,27,36,54,108

Greatest Common Factor

We found the factors 408,108 . The biggest common factor number is the GCF number.
So the greatest common factor 408,108 is 12.


Lets's calculate LCM of 378,166

2 378, 166
189, 83

∴ So the LCM of the given numbers is 2 x 189 x 83 = 31374

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 12/31374

Therefore, the GCF of Fractions 408/378,108/166 is 12/31374

Least Common Multiple of 378,166 with GCF Formula

Least Common Multiple of 378,166 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 378,166 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(378,166) = 2

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

GCF(378,166) x common factors =2 x 1 = 2

LCM(378,166) = ( 378 × 166 ) / 2

LCM(378,166) = 62748 / 2

LCM(378,166) = 31374


GCF of Fractions Calculation Examples

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GCF of Fractions Calculation Examples

Frequently Asked Questions on Fractional GCF of 408/378, 108/166

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 408/378, 108/166?

Answer: GCF of Numerators as per given numbers 408/378, 108/166 is

GCF of Numerators i.e. for 408,108 is 12

LCM of denominators i.e. for 378,166 is 31374.

Thus, GCF of Fractions is 12/31374.Finally, GCF of Fractions for 408/378, 108/166 is 12/31374.