How to Find GCF of 108/21, 387/9634?

GCF of 108/21, 387/9634

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 108/21, 387/9634 i.e 9/202314 easily. The following is the detailed procedure to determine the greatest common factor of fractions 108/21, 387/9634.

Enter two or more fractions separated by "commas"

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

What is the GCF of 108/21,387/9634?

Given fractions are 108/21,387/9634

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 108/21,387/9634, numerators are 108,387

Denominators are 21,9634

The GCF of 108,387 is 9 .

LCM of 21,9634 is 202314.

The greatest common factor of 108/21,387/9634 = [GCF of 108,387]/[LCM of 21,9634]= 9/202314

Therefore, the GCF of 108/21,387/9634 is 9/202314.

Greatest Common Factor of 108,387

To find the highest common factor of 108,387, we have to find the factors of both numbers and list the highest common factor.

The factors of 108 are 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108

The factors of 387 are 1, 3, 9, 43, 129, 387

The HCF of 108,387 is 9.

Lets's calculate GCF of 108,387

Greatest Common Factor (GCF) of 108,387 By Common Division

3	108, 387
3	36, 129
	12, 43

∴ So the GCF of the given numbers is 3 x 3 = 9

Greatest Common Factor of 108,387 By Matching Biggest Common Factor Method

Now, list down the factors of 108

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

Now, list down the factors of 387

1,3,9,43,129,387

Greatest Common Factor

We found the factors 108,387 . The biggest common factor number is the GCF number.
So the greatest common factor 108,387 is 9.

Lets's calculate LCM of 21,9634

Lowest Common Multiple of 21,9634 using Common Division

Given numbers has no common factors except 1. So, there LCM is their product i.e 202314

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 9/202314

Therefore, the GCF of Fractions 108/21,387/9634 is 9/202314

Least Common Multiple of 21,9634 with GCF Formula

The formula of LCM is LCM(a₁,a₂,a₃....,a_n) = ( a₁ × a₂ × a₃ × .... × a_n) / GCF(a₁,a₂,a₃....,a_n) x common factors(if more than 2 numbers have common factors).

We need to calculate greatest common factor of 21,9634 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(21,9634) = 1

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

GCF(21,9634) x common factors =1 x 1 = 1

LCM(21,9634) = ( 21 × 9634 ) / 1

LCM(21,9634) = 202314 / 1

LCM(21,9634) = 202314

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FAQs on GCF of Fractions of 108/21, 387/9634

1. What is the HCF of 108,387?

The HCF of 108,387 is 9

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 108/21, 387/9634?

Answer: GCF of Numerators as per given numbers 108/21, 387/9634 is

GCF of Numerators i.e. for 108,387 is 9

LCM of denominators i.e. for 21,9634 is 202314.

Thus, GCF of Fractions is 9/202314.Finally, GCF of Fractions for 108/21, 387/9634 is 9/202314.