Greatest Common Factor of 18/89, 13/18, 50/64, 77/840

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023

GCF of 18/89, 13/18, 50/64, 77/840

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 18/89,13/18,50/64,77/840

Given fractions are 18/89,13/18,50/64,77/840

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 18,13,50,77

Greatest Common Factor of Numerators i.e. GCF of 18,13,50,77 is 1 .

LCM of Denominators means LCM of 89,18,64,840 as per the given fractions.

LCM of 89,18,64,840 is 1794240 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 18,13,50,77

GCF of Fractions 18/89,13/18,50/64,77/840 is 1/1794240

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

Greatest Common Factor of 18,13,50,77 By Matching Biggest Common Factor Method

Greatest Common Factor of 18,13,50,77 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 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

Factors of 50

List of positive integer factors of 50 that divides 50 without a remainder.

1,2,5,10,25,50

Factors of 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

Greatest Common Factor

We found the factors 18,13,50,77 . The biggest common factor number is the GCF number.
So the greatest common factor 18,13,50,77 is 1.

Lets's calculate LCM of 89,18,64,840

2 89, 18, 64, 840
2 89, 9, 32, 420
2 89, 9, 16, 210
3 89, 9, 8, 105
89, 3, 8, 35

∴ So the LCM of the given numbers is 2 x 2 x 2 x 3 x 89 x 3 x 8 x 35 = 1794240

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/1794240

Therefore, the GCF of Fractions 18/89,13/18,50/64,77/840 is 1/1794240

Least Common Multiple of 89,18,64,840 with GCF Formula

Least Common Multiple of 89,18,64,840 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 89,18,64,840 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(89,18,64,840) = 1

common factors(in case of two or more numbers have common factors) = 48

GCF(89,18,64,840) x common factors =1 x 48 = 48

LCM(89,18,64,840) = ( 89 × 18 × 64 × 840 ) / 48

LCM(89,18,64,840) = 86123520 / 48

LCM(89,18,64,840) = 1794240


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 18/89, 13/18, 50/64, 77/840

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 18/89, 13/18, 50/64, 77/840?

Answer: GCF of Numerators as per given numbers 18/89, 13/18, 50/64, 77/840 is

GCF of Numerators i.e. for 18,13,50,77 is 1

LCM of denominators i.e. for 89,18,64,840 is 1794240.

Thus, GCF of Fractions is 1/1794240.Finally, GCF of Fractions for 18/89, 13/18, 50/64, 77/840 is 1/1794240.