Greatest Common Factor of 70/220, 21/589, 790/103

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 70/220, 21/589, 790/103

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 70/220,21/589,790/103

Given fractions are 70/220,21/589,790/103

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 70,21,790

Greatest Common Factor of Numerators i.e. GCF of 70,21,790 is 1 .

LCM of Denominators means LCM of 220,589,103 as per the given fractions.

LCM of 220,589,103 is 13346740 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 70,21,790

GCF of Fractions 70/220,21/589,790/103 is 1/13346740

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

Greatest Common Factor of 70,21,790 By Matching Biggest Common Factor Method

Greatest Common Factor of 70,21,790 By Matching Biggest Common Factor Method

Factors of 70

List of positive integer factors of 70 that divides 70 without a remainder.

1,2,5,7,10,14,35,70

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 790

List of positive integer factors of 790 that divides 790 without a remainder.

1,2,5,10,79,158,395,790

Greatest Common Factor

We found the factors 70,21,790 . The biggest common factor number is the GCF number.
So the greatest common factor 70,21,790 is 1.


Lets's calculate LCM of 220,589,103

Given numbers has no common factors except 1. So, there LCM is their product i.e 13346740

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/13346740

Therefore, the GCF of Fractions 70/220,21/589,790/103 is 1/13346740

Least Common Multiple of 220,589,103 with GCF Formula

Least Common Multiple of 220,589,103 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 220,589,103 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(220,589,103) = 1

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

GCF(220,589,103) x common factors =1 x 1 = 1

LCM(220,589,103) = ( 220 × 589 × 103 ) / 1

LCM(220,589,103) = 13346740 / 1

LCM(220,589,103) = 13346740


GCF of Fractions Calculation Examples

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GCF of Fractions Calculation Examples

Frequently Asked Questions on Fractional GCF of 70/220, 21/589, 790/103

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 70/220, 21/589, 790/103?

Answer: GCF of Numerators as per given numbers 70/220, 21/589, 790/103 is

GCF of Numerators i.e. for 70,21,790 is 1

LCM of denominators i.e. for 220,589,103 is 13346740.

Thus, GCF of Fractions is 1/13346740.Finally, GCF of Fractions for 70/220, 21/589, 790/103 is 1/13346740.