How to Find GCF of 91/92, 19/78, 357/66?

GCF of 91/92, 19/78, 357/66

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 91/92, 19/78, 357/66 i.e 1/39468 easily. The following is the detailed procedure to determine the greatest common factor of fractions 91/92, 19/78, 357/66.

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 91/92,19/78,357/66?

Given fractions are 91/92,19/78,357/66

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 91/92,19/78,357/66, numerators are 91,19,357

Denominators are 92,78,66

The GCF of 91,19,357 is 1 .

LCM of 92,78,66 is 39468.

The greatest common factor of 91/92,19/78,357/66 = [GCF of 91,19,357]/[LCM of 92,78,66]= 1/39468

Therefore, the GCF of 91/92,19/78,357/66 is 1/39468.

Greatest Common Factor of 91,19,357

To find the highest common factor of 91,19,357, we have to find the factors of both numbers and list the highest common factor.

The factors of 91 are 1, 7, 13, 91

The factors of 19 are 1, 19

The factors of 357 are 1, 3, 7, 17, 21, 51, 119, 357

The HCF of 91,19,357 is 1.

Lets's calculate GCF of 91,19,357

Greatest Common Factor (GCF) of 91,19,357 By Common Division

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

Greatest Common Factor of 91,19,357 By Matching Biggest Common Factor Method

Now, list down the factors of 91

1,7,13,91

Now, list down the factors of 19

1,19

Now, list down the factors of 357

1,3,7,17,21,51,119,357

Greatest Common Factor

We found the factors 91,19,357 . The biggest common factor number is the GCF number.
So the greatest common factor 91,19,357 is 1.

Lets's calculate LCM of 92,78,66

Lowest Common Multiple of 92,78,66 using Common Division

2	92, 78, 66
3	46, 39, 33
	46, 13, 11

∴ So the LCM of the given numbers is 2 x 3 x 46 x 13 x 11 = 39468

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/39468

Therefore, the GCF of Fractions 91/92,19/78,357/66 is 1/39468

Least Common Multiple of 92,78,66 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 92,78,66 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(92,78,66) = 2

common factors(in case of two or more numbers have common factors) = 6

GCF(92,78,66) x common factors =2 x 6 = 12

LCM(92,78,66) = ( 92 × 78 × 66 ) / 12

LCM(92,78,66) = 473616 / 12

LCM(92,78,66) = 39468

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FAQs on GCF of Fractions of 91/92, 19/78, 357/66

1. What is the HCF of 91,19,357?

The HCF of 91,19,357 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 91/92, 19/78, 357/66?

Answer: GCF of Numerators as per given numbers 91/92, 19/78, 357/66 is

GCF of Numerators i.e. for 91,19,357 is 1

LCM of denominators i.e. for 92,78,66 is 39468.

Thus, GCF of Fractions is 1/39468.Finally, GCF of Fractions for 91/92, 19/78, 357/66 is 1/39468.