Greatest Common Factor of 90/46, 21/641, 721/168

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 90/46, 21/641, 721/168

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 90/46,21/641,721/168

Given fractions are 90/46,21/641,721/168

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 90,21,721

Greatest Common Factor of Numerators i.e. GCF of 90,21,721 is 1 .

LCM of Denominators means LCM of 46,641,168 as per the given fractions.

LCM of 46,641,168 is 2476824 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 90,21,721

GCF of Fractions 90/46,21/641,721/168 is 1/2476824

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

Greatest Common Factor of 90,21,721 By Matching Biggest Common Factor Method

Greatest Common Factor of 90,21,721 By Matching Biggest Common Factor Method

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 721

List of positive integer factors of 721 that divides 721 without a remainder.

1,7,103,721

Greatest Common Factor

We found the factors 90,21,721 . The biggest common factor number is the GCF number.
So the greatest common factor 90,21,721 is 1.


Lets's calculate LCM of 46,641,168

2 46, 641, 168
23, 641, 84

∴ So the LCM of the given numbers is 2 x 23 x 641 x 84 = 2476824

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/2476824

Therefore, the GCF of Fractions 90/46,21/641,721/168 is 1/2476824

Least Common Multiple of 46,641,168 with GCF Formula

Least Common Multiple of 46,641,168 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 46,641,168 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(46,641,168) = 1

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

GCF(46,641,168) x common factors =1 x 2 = 2

LCM(46,641,168) = ( 46 × 641 × 168 ) / 2

LCM(46,641,168) = 4953648 / 2

LCM(46,641,168) = 2476824


GCF of Fractions Calculation Examples

Here are some samples of GCF of Fractions calculations.

GCF of Fractions Calculation Examples

Frequently Asked Questions on Fractional GCF of 90/46, 21/641, 721/168

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 90/46, 21/641, 721/168?

Answer: GCF of Numerators as per given numbers 90/46, 21/641, 721/168 is

GCF of Numerators i.e. for 90,21,721 is 1

LCM of denominators i.e. for 46,641,168 is 2476824.

Thus, GCF of Fractions is 1/2476824.Finally, GCF of Fractions for 90/46, 21/641, 721/168 is 1/2476824.