Greatest Common Factor of 21/83, 43/29, 178/436

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 21/83, 43/29, 178/436

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 21/83,43/29,178/436

Given fractions are 21/83,43/29,178/436

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 21,43,178

Greatest Common Factor of Numerators i.e. GCF of 21,43,178 is 1 .

LCM of Denominators means LCM of 83,29,436 as per the given fractions.

LCM of 83,29,436 is 1049452 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 21,43,178

GCF of Fractions 21/83,43/29,178/436 is 1/1049452

∴ So GCF of numbers is 1 because of no common factors present between them.

Greatest Common Factor of 21,43,178 By Matching Biggest Common Factor Method

Greatest Common Factor of 21,43,178 By Matching Biggest Common Factor Method

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 43

List of positive integer factors of 43 that divides 43 without a remainder.

1,43

Factors of 178

List of positive integer factors of 178 that divides 178 without a remainder.

1,2,89,178

Greatest Common Factor

We found the factors 21,43,178 . The biggest common factor number is the GCF number.
So the greatest common factor 21,43,178 is 1.


Lets's calculate LCM of 83,29,436

Given numbers has no common factors except 1. So, there LCM is their product i.e 1049452

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/1049452

Therefore, the GCF of Fractions 21/83,43/29,178/436 is 1/1049452

Least Common Multiple of 83,29,436 with GCF Formula

Least Common Multiple of 83,29,436 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 83,29,436 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(83,29,436) = 1

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

GCF(83,29,436) x common factors =1 x 1 = 1

LCM(83,29,436) = ( 83 × 29 × 436 ) / 1

LCM(83,29,436) = 1049452 / 1

LCM(83,29,436) = 1049452


GCF of Fractions Calculation Examples

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GCF of Fractions Calculation Examples

Frequently Asked Questions on Fractional GCF of 21/83, 43/29, 178/436

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 21/83, 43/29, 178/436?

Answer: GCF of Numerators as per given numbers 21/83, 43/29, 178/436 is

GCF of Numerators i.e. for 21,43,178 is 1

LCM of denominators i.e. for 83,29,436 is 1049452.

Thus, GCF of Fractions is 1/1049452.Finally, GCF of Fractions for 21/83, 43/29, 178/436 is 1/1049452.