How to Find GCF of 30/20, 682/15, 839/225?

GCF of 30/20, 682/15, 839/225

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 30/20, 682/15, 839/225 i.e 1/900 easily. The following is the detailed procedure to determine the greatest common factor of fractions 30/20, 682/15, 839/225.

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 30/20,682/15,839/225?

Given fractions are 30/20,682/15,839/225

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 30/20,682/15,839/225, numerators are 30,682,839

Denominators are 20,15,225

The GCF of 30,682,839 is 1 .

LCM of 20,15,225 is 900.

The greatest common factor of 30/20,682/15,839/225 = [GCF of 30,682,839]/[LCM of 20,15,225]= 1/900

Therefore, the GCF of 30/20,682/15,839/225 is 1/900.

Greatest Common Factor of 30,682,839

To find the highest common factor of 30,682,839, we have to find the factors of both numbers and list the highest common factor.

The factors of 30 are 1, 2, 3, 5, 6, 10, 15, 30

The factors of 682 are 1, 2, 11, 22, 31, 62, 341, 682

The factors of 839 are 1, 839

The HCF of 30,682,839 is 1.

Lets's calculate GCF of 30,682,839

Greatest Common Factor (GCF) of 30,682,839 By Common Division

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

Greatest Common Factor of 30,682,839 By Matching Biggest Common Factor Method

Now, list down the factors of 30

1,2,3,5,6,10,15,30

Now, list down the factors of 682

1,2,11,22,31,62,341,682

Now, list down the factors of 839

1,839

Greatest Common Factor

We found the factors 30,682,839 . The biggest common factor number is the GCF number.
So the greatest common factor 30,682,839 is 1.

Lets's calculate LCM of 20,15,225

Lowest Common Multiple of 20,15,225 using Common Division

3	20, 15, 225
5	20, 5, 75
	4, 1, 15

∴ So the LCM of the given numbers is 3 x 5 x 4 x 1 x 15 = 900

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/900

Therefore, the GCF of Fractions 30/20,682/15,839/225 is 1/900

Least Common Multiple of 20,15,225 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 20,15,225 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(20,15,225) = 5

common factors(in case of two or more numbers have common factors) = 15

GCF(20,15,225) x common factors =5 x 15 = 75

LCM(20,15,225) = ( 20 × 15 × 225 ) / 75

LCM(20,15,225) = 67500 / 75

LCM(20,15,225) = 900

GCF of Fractions Calculation Examples

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FAQs on GCF of Fractions of 30/20, 682/15, 839/225

1. What is the HCF of 30,682,839?

The HCF of 30,682,839 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 30/20, 682/15, 839/225?

Answer: GCF of Numerators as per given numbers 30/20, 682/15, 839/225 is

GCF of Numerators i.e. for 30,682,839 is 1

LCM of denominators i.e. for 20,15,225 is 900.

Thus, GCF of Fractions is 1/900.Finally, GCF of Fractions for 30/20, 682/15, 839/225 is 1/900.