How to Find GCF of 109/638, 1620/370?

GCF of 109/638, 1620/370

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 109/638, 1620/370 i.e 1/118030 easily. The following is the detailed procedure to determine the greatest common factor of fractions 109/638, 1620/370.

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 109/638,1620/370?

Given fractions are 109/638,1620/370

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 109/638,1620/370, numerators are 109,1620

Denominators are 638,370

The GCF of 109,1620 is 1 .

LCM of 638,370 is 118030.

The greatest common factor of 109/638,1620/370 = [GCF of 109,1620]/[LCM of 638,370]= 1/118030

Therefore, the GCF of 109/638,1620/370 is 1/118030.

Greatest Common Factor of 109,1620

To find the highest common factor of 109,1620, we have to find the factors of both numbers and list the highest common factor.

The factors of 109 are 1, 109

The factors of 1620 are 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620

The HCF of 109,1620 is 1.

Lets's calculate GCF of 109,1620

Greatest Common Factor (GCF) of 109,1620 By Common Division

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

Greatest Common Factor of 109,1620 By Matching Biggest Common Factor Method

Now, list down the factors of 109

1,109

Now, list down the factors of 1620

1,2,3,4,5,6,9,10,12,15,18,20,27,30,36,45,54,60,81,90,108,135,162,180,270,324,405,540,810,1620

Greatest Common Factor

We found the factors 109,1620 . The biggest common factor number is the GCF number.
So the greatest common factor 109,1620 is 1.

Lets's calculate LCM of 638,370

Lowest Common Multiple of 638,370 using Common Division

2	638, 370
	319, 185

∴ So the LCM of the given numbers is 2 x 319 x 185 = 118030

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/118030

Therefore, the GCF of Fractions 109/638,1620/370 is 1/118030

Least Common Multiple of 638,370 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 638,370 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(638,370) = 2

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

GCF(638,370) x common factors =2 x 1 = 2

LCM(638,370) = ( 638 × 370 ) / 2

LCM(638,370) = 236060 / 2

LCM(638,370) = 118030

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FAQs on GCF of Fractions of 109/638, 1620/370

1. What is the HCF of 109,1620?

The HCF of 109,1620 is 1

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 109/638, 1620/370?

Answer: GCF of Numerators as per given numbers 109/638, 1620/370 is

GCF of Numerators i.e. for 109,1620 is 1

LCM of denominators i.e. for 638,370 is 118030.

Thus, GCF of Fractions is 1/118030.Finally, GCF of Fractions for 109/638, 1620/370 is 1/118030.