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GCF of 129/27, 687/749

Created By : Veerendra
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023


Use our free GCF of Fractions Calculator tool to compute the GCF of 129/27, 687/749 i.e 3/20223 easily. The following is the detailed procedure to determine the greatest common factor of fractions 129/27, 687/749.

Enter two or more fractions separated by "commas"

Ex: 2/3, 5/7 or 3/5, 5/9, 7/3

GCF of:

What is the GCF of 129/27,687/749?

Given fractions are 129/27,687/749

To find the GCF of fractions, we have to find the GCF of numerator numbers and LCM of denominator numbers. Its formula is given by

GCF of Fraction = Greatest Common Factor of Numerator/Least Common Multiple of Denominators

In the fractions 129/27,687/749, numerators are 129,687

Denominators are 27,749

The GCF of 129,687 is 3 .

LCM of 27,749 is 20223.

The greatest common factor of 129/27,687/749 = [GCF of 129,687]/[LCM of 27,749]= 3/20223

Therefore, the GCF of 129/27,687/749 is 3/20223.

Greatest Common Factor of 129,687

To find the highest common factor of 129,687, we have to find the factors of both numbers and list the highest common factor.

The factors of 129 are 1, 3, 43, 129

The factors of 687 are 1, 3, 229, 687

The HCF of 129,687 is 3.

Lets's calculate GCF of 129,687

Greatest Common Factor (GCF) of 129,687 By Common Division

3 129, 687
43, 229

∴ So the GCF of the given numbers is 3 = 3

Greatest Common Factor of 129,687 By Matching Biggest Common Factor Method

Greatest Common Factor of 129,687 By Matching Biggest Common Factor Method

Now, list down the factors of 129

:

1,3,43,129

Now, list down the factors of 687

:

1,3,229,687

Greatest Common Factor

We found the factors 129,687 . The biggest common factor number is the GCF number.
So the greatest common factor 129,687 is 3.


Lets's calculate LCM of 27,749

Lowest Common Multiple of 27,749 using Common Division

Given numbers has no common factors except 1. So, there LCM is their product i.e 20223

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 3/20223

Therefore, the GCF of Fractions 129/27,687/749 is 3/20223

Least Common Multiple of 27,749 with GCF Formula

Least Common Multiple of 27,749 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 27,749 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(27,749) = 1

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

GCF(27,749) x common factors =1 x 1 = 1

LCM(27,749) = ( 27 × 749 ) / 1

LCM(27,749) = 20223 / 1

LCM(27,749) = 20223


GCF of Fractions Calculation Examples

FAQs on GCF of Fractions of 129/27, 687/749

1. What is the HCF of 129,687?

The HCF of 129,687 is 3

2. What is the GCF of a fraction?

The GCF of a fraction is defined as the greatest fraction that divides exactly into 2 or more fractions.

3. 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.

4. What is the GCF of Fractions for 129/27, 687/749?

Answer: GCF of Numerators as per given numbers 129/27, 687/749 is

GCF of Numerators i.e. for 129,687 is 3

LCM of denominators i.e. for 27,749 is 20223.

Thus, GCF of Fractions is 3/20223.Finally, GCF of Fractions for 129/27, 687/749 is 3/20223.