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GCF of 72/780, 68/4511

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 72/780, 68/4511 i.e 4/270660 easily. The following is the detailed procedure to determine the greatest common factor of fractions 72/780, 68/4511.

Enter two or more fractions separated by "commas"

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

GCF of:

What is the GCF of 72/780,68/4511?

Given fractions are 72/780,68/4511

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 72/780,68/4511, numerators are 72,68

Denominators are 780,4511

The GCF of 72,68 is 4 .

LCM of 780,4511 is 270660.

The greatest common factor of 72/780,68/4511 = [GCF of 72,68]/[LCM of 780,4511]= 4/270660

Therefore, the GCF of 72/780,68/4511 is 4/270660.

Greatest Common Factor of 72,68

To find the highest common factor of 72,68, we have to find the factors of both numbers and list the highest common factor.

The factors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72

The factors of 68 are 1, 2, 4, 17, 34, 68

The HCF of 72,68 is 4.

Lets's calculate GCF of 72,68

Greatest Common Factor (GCF) of 72,68 By Common Division

2 72, 68
2 36, 34
18, 17

∴ So the GCF of the given numbers is 2 x 2 = 4

Greatest Common Factor of 72,68 By Matching Biggest Common Factor Method

Greatest Common Factor of 72,68 By Matching Biggest Common Factor Method

Now, list down the factors of 72

:

1,2,3,4,6,8,9,12,18,24,36,72

Now, list down the factors of 68

:

1,2,4,17,34,68

Greatest Common Factor

We found the factors 72,68 . The biggest common factor number is the GCF number.
So the greatest common factor 72,68 is 4.

Lets's calculate LCM of 780,4511

Lowest Common Multiple of 780,4511 using Common Division

13 780, 4511
60, 347

∴ So the LCM of the given numbers is 13 x 60 x 347 = 270660

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 4/270660

Therefore, the GCF of Fractions 72/780,68/4511 is 4/270660

Least Common Multiple of 780,4511 with GCF Formula

Least Common Multiple of 780,4511 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 780,4511 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(780,4511) = 13

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

GCF(780,4511) x common factors =13 x 1 = 13

LCM(780,4511) = ( 780 × 4511 ) / 13

LCM(780,4511) = 3518580 / 13

LCM(780,4511) = 270660


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FAQs on GCF of Fractions of 72/780, 68/4511

1. What is the HCF of 72,68?

The HCF of 72,68 is 4

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 72/780, 68/4511?

Answer: GCF of Numerators as per given numbers 72/780, 68/4511 is

GCF of Numerators i.e. for 72,68 is 4

LCM of denominators i.e. for 780,4511 is 270660.

Thus, GCF of Fractions is 4/270660.Finally, GCF of Fractions for 72/780, 68/4511 is 4/270660.