How to Find GCF of 20/54, 87/96, 802/789?

GCF of 20/54, 87/96, 802/789

Created By : Veerendra
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023

Use our free GCF of Fractions Calculator tool to compute the GCF of 20/54, 87/96, 802/789 i.e 1/227232 easily. The following is the detailed procedure to determine the greatest common factor of fractions 20/54, 87/96, 802/789.

Enter two or more fractions separated by "commas"

Ex: 2/3, 5/7 or 3/5, 5/9, 7/3

What is the GCF of 20/54,87/96,802/789?

Given fractions are 20/54,87/96,802/789

To find the GCF of fractions, we have to find the GCF of numerator numbers and LCM of denominator numbers. Its formula is given by

GCF of Fraction = Greatest Common Factor of Numerator/Least Common Multiple of Denominators

In the fractions 20/54,87/96,802/789, numerators are 20,87,802

Denominators are 54,96,789

The GCF of 20,87,802 is 1 .

LCM of 54,96,789 is 227232.

The greatest common factor of 20/54,87/96,802/789 = [GCF of 20,87,802]/[LCM of 54,96,789]= 1/227232

Therefore, the GCF of 20/54,87/96,802/789 is 1/227232.

Greatest Common Factor of 20,87,802

To find the highest common factor of 20,87,802, we have to find the factors of both numbers and list the highest common factor.

The factors of 20 are 1, 2, 4, 5, 10, 20

The factors of 87 are 1, 3, 29, 87

The factors of 802 are 1, 2, 401, 802

The HCF of 20,87,802 is 1.

Lets's calculate GCF of 20,87,802

Greatest Common Factor (GCF) of 20,87,802 By Common Division

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

Greatest Common Factor of 20,87,802 By Matching Biggest Common Factor Method

Now, list down the factors of 20

1,2,4,5,10,20

Now, list down the factors of 87

1,3,29,87

Now, list down the factors of 802

1,2,401,802

Greatest Common Factor

We found the factors 20,87,802 . The biggest common factor number is the GCF number.
So the greatest common factor 20,87,802 is 1.

Lets's calculate LCM of 54,96,789

Lowest Common Multiple of 54,96,789 using Common Division

2	54, 96, 789
3	27, 48, 789
	9, 16, 263

∴ So the LCM of the given numbers is 2 x 3 x 9 x 16 x 263 = 227232

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/227232

Therefore, the GCF of Fractions 20/54,87/96,802/789 is 1/227232

Least Common Multiple of 54,96,789 with GCF Formula

The formula of LCM is LCM(a₁,a₂,a₃....,a_n) = ( a₁ × a₂ × a₃ × .... × a_n) / GCF(a₁,a₂,a₃....,a_n) x common factors(if more than 2 numbers have common factors).

We need to calculate greatest common factor of 54,96,789 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(54,96,789) = 3

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

GCF(54,96,789) x common factors =3 x 6 = 18

LCM(54,96,789) = ( 54 × 96 × 789 ) / 18

LCM(54,96,789) = 4090176 / 18

LCM(54,96,789) = 227232

GCF of Fractions Calculation Examples

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FAQs on GCF of Fractions of 20/54, 87/96, 802/789

1. What is the HCF of 20,87,802?

The HCF of 20,87,802 is 1

2. What is the GCF of a fraction?

The GCF of a fraction is defined as the greatest fraction that divides exactly into 2 or more fractions.

3. 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.

4. What is the GCF of Fractions for 20/54, 87/96, 802/789?

Answer: GCF of Numerators as per given numbers 20/54, 87/96, 802/789 is

GCF of Numerators i.e. for 20,87,802 is 1

LCM of denominators i.e. for 54,96,789 is 227232.

Thus, GCF of Fractions is 1/227232.Finally, GCF of Fractions for 20/54, 87/96, 802/789 is 1/227232.