Greatest Common Factor of 21/36, 29/30, 18/31, 95/803

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 21/36, 29/30, 18/31, 95/803

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 21/36,29/30,18/31,95/803

Given fractions are 21/36,29/30,18/31,95/803

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 21,29,18,95

Greatest Common Factor of Numerators i.e. GCF of 21,29,18,95 is 1 .

LCM of Denominators means LCM of 36,30,31,803 as per the given fractions.

LCM of 36,30,31,803 is 4480740 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 21,29,18,95

GCF of Fractions 21/36,29/30,18/31,95/803 is 1/4480740

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

Greatest Common Factor of 21,29,18,95 By Matching Biggest Common Factor Method

Greatest Common Factor of 21,29,18,95 By Matching Biggest Common Factor Method

Factors of 21

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

1,3,7,21

Factors of 29

List of positive integer factors of 29 that divides 29 without a remainder.

1,29

Factors of 18

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

1,2,3,6,9,18

Factors of 95

List of positive integer factors of 95 that divides 95 without a remainder.

1,5,19,95

Greatest Common Factor

We found the factors 21,29,18,95 . The biggest common factor number is the GCF number.
So the greatest common factor 21,29,18,95 is 1.


Lets's calculate LCM of 36,30,31,803

2 36, 30, 31, 803
3 18, 15, 31, 803
6, 5, 31, 803

∴ So the LCM of the given numbers is 2 x 3 x 6 x 5 x 31 x 803 = 4480740

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/4480740

Therefore, the GCF of Fractions 21/36,29/30,18/31,95/803 is 1/4480740

Least Common Multiple of 36,30,31,803 with GCF Formula

Least Common Multiple of 36,30,31,803 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 36,30,31,803 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(36,30,31,803) = 1

common factors(in case of two or more numbers have common factors) = 6

GCF(36,30,31,803) x common factors =1 x 6 = 6

LCM(36,30,31,803) = ( 36 × 30 × 31 × 803 ) / 6

LCM(36,30,31,803) = 26884440 / 6

LCM(36,30,31,803) = 4480740


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 21/36, 29/30, 18/31, 95/803

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 21/36, 29/30, 18/31, 95/803?

Answer: GCF of Numerators as per given numbers 21/36, 29/30, 18/31, 95/803 is

GCF of Numerators i.e. for 21,29,18,95 is 1

LCM of denominators i.e. for 36,30,31,803 is 4480740.

Thus, GCF of Fractions is 1/4480740.Finally, GCF of Fractions for 21/36, 29/30, 18/31, 95/803 is 1/4480740.