How to Find GCF of 78/34, 74/83, 122/91?

GCF of 78/34, 74/83, 122/91

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 78/34, 74/83, 122/91 i.e 2/256802 easily. The following is the detailed procedure to determine the greatest common factor of fractions 78/34, 74/83, 122/91.

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 78/34,74/83,122/91?

Given fractions are 78/34,74/83,122/91

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 78/34,74/83,122/91, numerators are 78,74,122

Denominators are 34,83,91

The GCF of 78,74,122 is 2 .

LCM of 34,83,91 is 256802.

The greatest common factor of 78/34,74/83,122/91 = [GCF of 78,74,122]/[LCM of 34,83,91]= 2/256802

Therefore, the GCF of 78/34,74/83,122/91 is 2/256802.

Greatest Common Factor of 78,74,122

To find the highest common factor of 78,74,122, we have to find the factors of both numbers and list the highest common factor.

The factors of 78 are 1, 2, 3, 6, 13, 26, 39, 78

The factors of 74 are 1, 2, 37, 74

The factors of 122 are 1, 2, 61, 122

The HCF of 78,74,122 is 2.

Lets's calculate GCF of 78,74,122

Greatest Common Factor (GCF) of 78,74,122 By Common Division

2	78, 74, 122
	39, 37, 61

∴ So the GCF of the given numbers is 2 = 2

Greatest Common Factor of 78,74,122 By Matching Biggest Common Factor Method

Now, list down the factors of 78

1,2,3,6,13,26,39,78

Now, list down the factors of 74

1,2,37,74

Now, list down the factors of 122

1,2,61,122

Greatest Common Factor

We found the factors 78,74,122 . The biggest common factor number is the GCF number.
So the greatest common factor 78,74,122 is 2.

Lets's calculate LCM of 34,83,91

Lowest Common Multiple of 34,83,91 using Common Division

Given numbers has no common factors except 1. So, there LCM is their product i.e 256802

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 2/256802

Therefore, the GCF of Fractions 78/34,74/83,122/91 is 2/256802

Least Common Multiple of 34,83,91 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 34,83,91 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(34,83,91) = 1

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

GCF(34,83,91) x common factors =1 x 1 = 1

LCM(34,83,91) = ( 34 × 83 × 91 ) / 1

LCM(34,83,91) = 256802 / 1

LCM(34,83,91) = 256802

GCF of Fractions Calculation Examples

Here are some samples of GCF of Fractions calculations.

FAQs on GCF of Fractions of 78/34, 74/83, 122/91

1. What is the HCF of 78,74,122?

The HCF of 78,74,122 is 2

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 78/34, 74/83, 122/91?

Answer: GCF of Numerators as per given numbers 78/34, 74/83, 122/91 is

GCF of Numerators i.e. for 78,74,122 is 2

LCM of denominators i.e. for 34,83,91 is 256802.

Thus, GCF of Fractions is 2/256802.Finally, GCF of Fractions for 78/34, 74/83, 122/91 is 2/256802.