Greatest Common Factor of 18/297, 70/645, 643/344

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023

GCF of 18/297, 70/645, 643/344

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 18/297,70/645,643/344

Given fractions are 18/297,70/645,643/344

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 18,70,643

Greatest Common Factor of Numerators i.e. GCF of 18,70,643 is 1 .

LCM of Denominators means LCM of 297,645,344 as per the given fractions.

LCM of 297,645,344 is 510840 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 18,70,643

GCF of Fractions 18/297,70/645,643/344 is 1/510840

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

Greatest Common Factor of 18,70,643 By Matching Biggest Common Factor Method

Greatest Common Factor of 18,70,643 By Matching Biggest Common Factor Method

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 70

List of positive integer factors of 70 that divides 70 without a remainder.

1,2,5,7,10,14,35,70

Factors of 643

List of positive integer factors of 643 that divides 643 without a remainder.

1,643

Greatest Common Factor

We found the factors 18,70,643 . The biggest common factor number is the GCF number.
So the greatest common factor 18,70,643 is 1.

Lets's calculate LCM of 297,645,344

3 297, 645, 344
43 99, 215, 344
99, 5, 8

∴ So the LCM of the given numbers is 3 x 43 x 99 x 5 x 8 = 510840

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/510840

Therefore, the GCF of Fractions 18/297,70/645,643/344 is 1/510840

Least Common Multiple of 297,645,344 with GCF Formula

Least Common Multiple of 297,645,344 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 297,645,344 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(297,645,344) = 1

common factors(in case of two or more numbers have common factors) = 129

GCF(297,645,344) x common factors =1 x 129 = 129

LCM(297,645,344) = ( 297 × 645 × 344 ) / 129

LCM(297,645,344) = 65898360 / 129

LCM(297,645,344) = 510840


GCF of Fractions Calculation Examples

Here are some samples of GCF of Fractions calculations.

GCF of Fractions Calculation Examples

Here are some samples of GCF of Fractions calculations.

Frequently Asked Questions on Fractional GCF of 18/297, 70/645, 643/344

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 18/297, 70/645, 643/344?

Answer: GCF of Numerators as per given numbers 18/297, 70/645, 643/344 is

GCF of Numerators i.e. for 18,70,643 is 1

LCM of denominators i.e. for 297,645,344 is 510840.

Thus, GCF of Fractions is 1/510840.Finally, GCF of Fractions for 18/297, 70/645, 643/344 is 1/510840.