How to Find GCF of 69/78, 63/20, 281/803?

GCF of 69/78, 63/20, 281/803

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 69/78, 63/20, 281/803 i.e 1/626340 easily. The following is the detailed procedure to determine the greatest common factor of fractions 69/78, 63/20, 281/803.

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 69/78,63/20,281/803?

Given fractions are 69/78,63/20,281/803

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 69/78,63/20,281/803, numerators are 69,63,281

Denominators are 78,20,803

The GCF of 69,63,281 is 1 .

LCM of 78,20,803 is 626340.

The greatest common factor of 69/78,63/20,281/803 = [GCF of 69,63,281]/[LCM of 78,20,803]= 1/626340

Therefore, the GCF of 69/78,63/20,281/803 is 1/626340.

Greatest Common Factor of 69,63,281

To find the highest common factor of 69,63,281, we have to find the factors of both numbers and list the highest common factor.

The factors of 69 are 1, 3, 23, 69

The factors of 63 are 1, 3, 7, 9, 21, 63

The factors of 281 are 1, 281

The HCF of 69,63,281 is 1.

Lets's calculate GCF of 69,63,281

Greatest Common Factor (GCF) of 69,63,281 By Common Division

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

Greatest Common Factor of 69,63,281 By Matching Biggest Common Factor Method

Now, list down the factors of 69

1,3,23,69

Now, list down the factors of 63

1,3,7,9,21,63

Now, list down the factors of 281

1,281

Greatest Common Factor

We found the factors 69,63,281 . The biggest common factor number is the GCF number.
So the greatest common factor 69,63,281 is 1.

Lets's calculate LCM of 78,20,803

Lowest Common Multiple of 78,20,803 using Common Division

2	78, 20, 803
	39, 10, 803

∴ So the LCM of the given numbers is 2 x 39 x 10 x 803 = 626340

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/626340

Therefore, the GCF of Fractions 69/78,63/20,281/803 is 1/626340

Least Common Multiple of 78,20,803 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 78,20,803 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(78,20,803) = 1

common factors(in case of two or more numbers have common factors) = 2

GCF(78,20,803) x common factors =1 x 2 = 2

LCM(78,20,803) = ( 78 × 20 × 803 ) / 2

LCM(78,20,803) = 1252680 / 2

LCM(78,20,803) = 626340

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FAQs on GCF of Fractions of 69/78, 63/20, 281/803

1. What is the HCF of 69,63,281?

The HCF of 69,63,281 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 69/78, 63/20, 281/803?

Answer: GCF of Numerators as per given numbers 69/78, 63/20, 281/803 is

GCF of Numerators i.e. for 69,63,281 is 1

LCM of denominators i.e. for 78,20,803 is 626340.

Thus, GCF of Fractions is 1/626340.Finally, GCF of Fractions for 69/78, 63/20, 281/803 is 1/626340.