Greatest Common Factor of 15/56, 80/57, 485/419

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 15/56, 80/57, 485/419

Enter two or more fractions separated by "commas"

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

GCF of:

Greatest Common Factor of 15/56,80/57,485/419

Given fractions are 15/56,80/57,485/419

Formula to find GCF of Fractions is

GCF = GCF of Numerators/LCM of Denominators

As per the formula GCF of Fractions let’s split into two parts and find the GCF of Numerators and LCM of Denominators

In the given fractions GCF of Numerators means GCF of 15,80,485

Greatest Common Factor of Numerators i.e. GCF of 15,80,485 is 5 .

LCM of Denominators means LCM of 56,57,419 as per the given fractions.

LCM of 56,57,419 is 1337448 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 15,80,485

GCF of Fractions 15/56,80/57,485/419 is 5/1337448

5 15, 80, 485
3, 16, 97

∴ So the GCF of the given numbers is 5 = 5

Greatest Common Factor of 15,80,485 By Matching Biggest Common Factor Method

Greatest Common Factor of 15,80,485 By Matching Biggest Common Factor Method

Factors of 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 80

List of positive integer factors of 80 that divides 80 without a remainder.

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

Factors of 485

List of positive integer factors of 485 that divides 485 without a remainder.

1,5,97,485

Greatest Common Factor

We found the factors 15,80,485 . The biggest common factor number is the GCF number.
So the greatest common factor 15,80,485 is 5.


Lets's calculate LCM of 56,57,419

Given numbers has no common factors except 1. So, there LCM is their product i.e 1337448

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 5/1337448

Therefore, the GCF of Fractions 15/56,80/57,485/419 is 5/1337448

Least Common Multiple of 56,57,419 with GCF Formula

Least Common Multiple of 56,57,419 with GCF Formula

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

We need to calculate greatest common factor of 56,57,419 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(56,57,419) = 1

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

GCF(56,57,419) x common factors =1 x 1 = 1

LCM(56,57,419) = ( 56 × 57 × 419 ) / 1

LCM(56,57,419) = 1337448 / 1

LCM(56,57,419) = 1337448


GCF of Fractions Calculation Examples

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GCF of Fractions Calculation Examples

Frequently Asked Questions on Fractional GCF of 15/56, 80/57, 485/419

1. 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.

2. What is the GCF of Fractions for 15/56, 80/57, 485/419?

Answer: GCF of Numerators as per given numbers 15/56, 80/57, 485/419 is

GCF of Numerators i.e. for 15,80,485 is 5

LCM of denominators i.e. for 56,57,419 is 1337448.

Thus, GCF of Fractions is 5/1337448.Finally, GCF of Fractions for 15/56, 80/57, 485/419 is 5/1337448.