Greatest Common Factor of 720/765, 480/530

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 720/765, 480/530

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 720/765,480/530

Given fractions are 720/765,480/530

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 720,480

Greatest Common Factor of Numerators i.e. GCF of 720,480 is 240 .

LCM of Denominators means LCM of 765,530 as per the given fractions.

LCM of 765,530 is 81090 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 720,480

GCF of Fractions 720/765,480/530 is 240/81090

2 720, 480
2 360, 240
2 180, 120
2 90, 60
3 45, 30
5 15, 10
3, 2

∴ So the GCF of the given numbers is 2 x 2 x 2 x 2 x 3 x 5 = 240

Greatest Common Factor of 720,480 By Matching Biggest Common Factor Method

Greatest Common Factor of 720,480 By Matching Biggest Common Factor Method

Factors of 720

List of positive integer factors of 720 that divides 720 without a remainder.

1,2,3,4,5,6,8,9,10,12,15,16,18,20,24,30,36,40,45,48,60,72,80,90,120,144,180,240,360,720

Factors of 480

List of positive integer factors of 480 that divides 480 without a remainder.

1,2,3,4,5,6,8,10,12,15,16,20,24,30,32,40,48,60,80,96,120,160,240,480

Greatest Common Factor

We found the factors 720,480 . The biggest common factor number is the GCF number.
So the greatest common factor 720,480 is 240.


Lets's calculate LCM of 765,530

5 765, 530
153, 106

∴ So the LCM of the given numbers is 5 x 153 x 106 = 81090

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 240/81090

Therefore, the GCF of Fractions 720/765,480/530 is 240/81090

Least Common Multiple of 765,530 with GCF Formula

Least Common Multiple of 765,530 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 765,530 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(765,530) = 5

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

GCF(765,530) x common factors =5 x 1 = 5

LCM(765,530) = ( 765 × 530 ) / 5

LCM(765,530) = 405450 / 5

LCM(765,530) = 81090


GCF of Fractions Calculation Examples

Here are some samples of GCF of Fractions calculations.

GCF of Fractions Calculation Examples

Frequently Asked Questions on Fractional GCF of 720/765, 480/530

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 720/765, 480/530?

Answer: GCF of Numerators as per given numbers 720/765, 480/530 is

GCF of Numerators i.e. for 720,480 is 240

LCM of denominators i.e. for 765,530 is 81090.

Thus, GCF of Fractions is 240/81090.Finally, GCF of Fractions for 720/765, 480/530 is 240/81090.