How to Find GCF of 80/787, 3660/6987?

GCF of 80/787, 3660/6987

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 80/787, 3660/6987 i.e 20/5498769 easily. The following is the detailed procedure to determine the greatest common factor of fractions 80/787, 3660/6987.

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 80/787,3660/6987?

Given fractions are 80/787,3660/6987

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 80/787,3660/6987, numerators are 80,3660

Denominators are 787,6987

The GCF of 80,3660 is 20 .

LCM of 787,6987 is 5498769.

The greatest common factor of 80/787,3660/6987 = [GCF of 80,3660]/[LCM of 787,6987]= 20/5498769

Therefore, the GCF of 80/787,3660/6987 is 20/5498769.

Greatest Common Factor of 80,3660

To find the highest common factor of 80,3660, we have to find the factors of both numbers and list the highest common factor.

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

The factors of 3660 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660

The HCF of 80,3660 is 20.

Lets's calculate GCF of 80,3660

Greatest Common Factor (GCF) of 80,3660 By Common Division

2	80, 3660
2	40, 1830
5	20, 915
	4, 183

∴ So the GCF of the given numbers is 2 x 2 x 5 = 20

Greatest Common Factor of 80,3660 By Matching Biggest Common Factor Method

Now, list down the factors of 80

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

Now, list down the factors of 3660

1,2,3,4,5,6,10,12,15,20,30,60,61,122,183,244,305,366,610,732,915,1220,1830,3660

Greatest Common Factor

We found the factors 80,3660 . The biggest common factor number is the GCF number.
So the greatest common factor 80,3660 is 20.

Lets's calculate LCM of 787,6987

Lowest Common Multiple of 787,6987 using Common Division

Given numbers has no common factors except 1. So, there LCM is their product i.e 5498769

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 20/5498769

Therefore, the GCF of Fractions 80/787,3660/6987 is 20/5498769

Least Common Multiple of 787,6987 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 787,6987 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(787,6987) = 1

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

GCF(787,6987) x common factors =1 x 1 = 1

LCM(787,6987) = ( 787 × 6987 ) / 1

LCM(787,6987) = 5498769 / 1

LCM(787,6987) = 5498769

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FAQs on GCF of Fractions of 80/787, 3660/6987

1. What is the HCF of 80,3660?

The HCF of 80,3660 is 20

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 80/787, 3660/6987?

Answer: GCF of Numerators as per given numbers 80/787, 3660/6987 is

GCF of Numerators i.e. for 80,3660 is 20

LCM of denominators i.e. for 787,6987 is 5498769.

Thus, GCF of Fractions is 20/5498769.Finally, GCF of Fractions for 80/787, 3660/6987 is 20/5498769.