How to Find GCF of 61/47, 80/70, 747/959?

GCF of 61/47, 80/70, 747/959

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 61/47, 80/70, 747/959 i.e 1/450730 easily. The following is the detailed procedure to determine the greatest common factor of fractions 61/47, 80/70, 747/959.

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 61/47,80/70,747/959?

Given fractions are 61/47,80/70,747/959

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 61/47,80/70,747/959, numerators are 61,80,747

Denominators are 47,70,959

The GCF of 61,80,747 is 1 .

LCM of 47,70,959 is 450730.

The greatest common factor of 61/47,80/70,747/959 = [GCF of 61,80,747]/[LCM of 47,70,959]= 1/450730

Therefore, the GCF of 61/47,80/70,747/959 is 1/450730.

Greatest Common Factor of 61,80,747

To find the highest common factor of 61,80,747, we have to find the factors of both numbers and list the highest common factor.

The factors of 61 are 1, 61

The factors of 80 are 1, 2, 4, 5, 8, 10, 16, 20, 40, 80

The factors of 747 are 1, 3, 9, 83, 249, 747

The HCF of 61,80,747 is 1.

Lets's calculate GCF of 61,80,747

Greatest Common Factor (GCF) of 61,80,747 By Common Division

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

Greatest Common Factor of 61,80,747 By Matching Biggest Common Factor Method

Now, list down the factors of 61

1,61

Now, list down the factors of 80

1,2,4,5,8,10,16,20,40,80

Now, list down the factors of 747

1,3,9,83,249,747

Greatest Common Factor

We found the factors 61,80,747 . The biggest common factor number is the GCF number.
So the greatest common factor 61,80,747 is 1.

Lets's calculate LCM of 47,70,959

Lowest Common Multiple of 47,70,959 using Common Division

7	47, 70, 959
	47, 10, 137

∴ So the LCM of the given numbers is 7 x 47 x 10 x 137 = 450730

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/450730

Therefore, the GCF of Fractions 61/47,80/70,747/959 is 1/450730

Least Common Multiple of 47,70,959 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 47,70,959 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(47,70,959) = 1

common factors(in case of two or more numbers have common factors) = 7

GCF(47,70,959) x common factors =1 x 7 = 7

LCM(47,70,959) = ( 47 × 70 × 959 ) / 7

LCM(47,70,959) = 3155110 / 7

LCM(47,70,959) = 450730

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FAQs on GCF of Fractions of 61/47, 80/70, 747/959

1. What is the HCF of 61,80,747?

The HCF of 61,80,747 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 61/47, 80/70, 747/959?

Answer: GCF of Numerators as per given numbers 61/47, 80/70, 747/959 is

GCF of Numerators i.e. for 61,80,747 is 1

LCM of denominators i.e. for 47,70,959 is 450730.

Thus, GCF of Fractions is 1/450730.Finally, GCF of Fractions for 61/47, 80/70, 747/959 is 1/450730.