Greatest Common Factor of 81/15, 98/86, 711/808

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 81/15, 98/86, 711/808

Enter two or more fractions separated by "commas"

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

GCF of:

Greatest Common Factor of 81/15,98/86,711/808

Given fractions are 81/15,98/86,711/808

Formula to find GCF of Fractions is

GCF = GCF of Numerators/LCM of Denominators

As per the formula GCF of Fractions let’s split into two parts and find the GCF of Numerators and LCM of Denominators

In the given fractions GCF of Numerators means GCF of 81,98,711

Greatest Common Factor of Numerators i.e. GCF of 81,98,711 is 1 .

LCM of Denominators means LCM of 15,86,808 as per the given fractions.

LCM of 15,86,808 is 521160 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 81,98,711

GCF of Fractions 81/15,98/86,711/808 is 1/521160

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

Greatest Common Factor of 81,98,711 By Matching Biggest Common Factor Method

Greatest Common Factor of 81,98,711 By Matching Biggest Common Factor Method

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 98

List of positive integer factors of 98 that divides 98 without a remainder.

1,2,7,14,49,98

Factors of 711

List of positive integer factors of 711 that divides 711 without a remainder.

1,3,9,79,237,711

Greatest Common Factor

We found the factors 81,98,711 . The biggest common factor number is the GCF number.
So the greatest common factor 81,98,711 is 1.


Lets's calculate LCM of 15,86,808

2 15, 86, 808
15, 43, 404

∴ So the LCM of the given numbers is 2 x 15 x 43 x 404 = 521160

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/521160

Therefore, the GCF of Fractions 81/15,98/86,711/808 is 1/521160

Least Common Multiple of 15,86,808 with GCF Formula

Least Common Multiple of 15,86,808 with GCF Formula

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

We need to calculate greatest common factor of 15,86,808 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(15,86,808) = 1

common factors(in case of two or more numbers have common factors) = 2

GCF(15,86,808) x common factors =1 x 2 = 2

LCM(15,86,808) = ( 15 × 86 × 808 ) / 2

LCM(15,86,808) = 1042320 / 2

LCM(15,86,808) = 521160


GCF of Fractions Calculation Examples

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GCF of Fractions Calculation Examples

Frequently Asked Questions on Fractional GCF of 81/15, 98/86, 711/808

1. 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.

2. What is the GCF of Fractions for 81/15, 98/86, 711/808?

Answer: GCF of Numerators as per given numbers 81/15, 98/86, 711/808 is

GCF of Numerators i.e. for 81,98,711 is 1

LCM of denominators i.e. for 15,86,808 is 521160.

Thus, GCF of Fractions is 1/521160.Finally, GCF of Fractions for 81/15, 98/86, 711/808 is 1/521160.