Greatest Common Factor of 45/36, 18/61, 171/19

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023

GCF of 45/36, 18/61, 171/19

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 45/36,18/61,171/19

Given fractions are 45/36,18/61,171/19

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 45,18,171

Greatest Common Factor of Numerators i.e. GCF of 45,18,171 is 9 .

LCM of Denominators means LCM of 36,61,19 as per the given fractions.

LCM of 36,61,19 is 41724 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 45,18,171

GCF of Fractions 45/36,18/61,171/19 is 9/41724

3 45, 18, 171
3 15, 6, 57
5, 2, 19

∴ So the GCF of the given numbers is 3 x 3 = 9

Greatest Common Factor of 45,18,171 By Matching Biggest Common Factor Method

Greatest Common Factor of 45,18,171 By Matching Biggest Common Factor Method

Factors of 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 18

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

1,2,3,6,9,18

Factors of 171

List of positive integer factors of 171 that divides 171 without a remainder.

1,3,9,19,57,171

Greatest Common Factor

We found the factors 45,18,171 . The biggest common factor number is the GCF number.
So the greatest common factor 45,18,171 is 9.

Lets's calculate LCM of 36,61,19

Given numbers has no common factors except 1. So, there LCM is their product i.e 41724

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 9/41724

Therefore, the GCF of Fractions 45/36,18/61,171/19 is 9/41724

Least Common Multiple of 36,61,19 with GCF Formula

Least Common Multiple of 36,61,19 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 36,61,19 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(36,61,19) = 1

common factors(in case of two or more numbers have common factors) = 1

GCF(36,61,19) x common factors =1 x 1 = 1

LCM(36,61,19) = ( 36 × 61 × 19 ) / 1

LCM(36,61,19) = 41724 / 1

LCM(36,61,19) = 41724


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 45/36, 18/61, 171/19

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 45/36, 18/61, 171/19?

Answer: GCF of Numerators as per given numbers 45/36, 18/61, 171/19 is

GCF of Numerators i.e. for 45,18,171 is 9

LCM of denominators i.e. for 36,61,19 is 41724.

Thus, GCF of Fractions is 9/41724.Finally, GCF of Fractions for 45/36, 18/61, 171/19 is 9/41724.