How to Find GCF of 76/81, 51/55, 686/113?

GCF of 76/81, 51/55, 686/113

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 76/81, 51/55, 686/113 i.e 1/503415 easily. The following is the detailed procedure to determine the greatest common factor of fractions 76/81, 51/55, 686/113.

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 76/81,51/55,686/113?

Given fractions are 76/81,51/55,686/113

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 76/81,51/55,686/113, numerators are 76,51,686

Denominators are 81,55,113

The GCF of 76,51,686 is 1 .

LCM of 81,55,113 is 503415.

The greatest common factor of 76/81,51/55,686/113 = [GCF of 76,51,686]/[LCM of 81,55,113]= 1/503415

Therefore, the GCF of 76/81,51/55,686/113 is 1/503415.

Greatest Common Factor of 76,51,686

To find the highest common factor of 76,51,686, we have to find the factors of both numbers and list the highest common factor.

The factors of 76 are 1, 2, 4, 19, 38, 76

The factors of 51 are 1, 3, 17, 51

The factors of 686 are 1, 2, 7, 14, 49, 98, 343, 686

The HCF of 76,51,686 is 1.

Lets's calculate GCF of 76,51,686

Greatest Common Factor (GCF) of 76,51,686 By Common Division

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

Greatest Common Factor of 76,51,686 By Matching Biggest Common Factor Method

Now, list down the factors of 76

1,2,4,19,38,76

Now, list down the factors of 51

1,3,17,51

Now, list down the factors of 686

1,2,7,14,49,98,343,686

Greatest Common Factor

We found the factors 76,51,686 . The biggest common factor number is the GCF number.
So the greatest common factor 76,51,686 is 1.

Lets's calculate LCM of 81,55,113

Lowest Common Multiple of 81,55,113 using Common Division

Given numbers has no common factors except 1. So, there LCM is their product i.e 503415

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/503415

Therefore, the GCF of Fractions 76/81,51/55,686/113 is 1/503415

Least Common Multiple of 81,55,113 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 81,55,113 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(81,55,113) = 1

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

GCF(81,55,113) x common factors =1 x 1 = 1

LCM(81,55,113) = ( 81 × 55 × 113 ) / 1

LCM(81,55,113) = 503415 / 1

LCM(81,55,113) = 503415

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FAQs on GCF of Fractions of 76/81, 51/55, 686/113

1. What is the HCF of 76,51,686?

The HCF of 76,51,686 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 76/81, 51/55, 686/113?

Answer: GCF of Numerators as per given numbers 76/81, 51/55, 686/113 is

GCF of Numerators i.e. for 76,51,686 is 1

LCM of denominators i.e. for 81,55,113 is 503415.

Thus, GCF of Fractions is 1/503415.Finally, GCF of Fractions for 76/81, 51/55, 686/113 is 1/503415.