Greatest Common Factor of 63/69, 60/11, 66/28, 87/978

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 63/69, 60/11, 66/28, 87/978

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 63/69,60/11,66/28,87/978

Given fractions are 63/69,60/11,66/28,87/978

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 63,60,66,87

Greatest Common Factor of Numerators i.e. GCF of 63,60,66,87 is 3 .

LCM of Denominators means LCM of 69,11,28,978 as per the given fractions.

LCM of 69,11,28,978 is 3464076 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 63,60,66,87

GCF of Fractions 63/69,60/11,66/28,87/978 is 3/3464076

3 63, 60, 66, 87
21, 20, 22, 29

∴ So the GCF of the given numbers is 3 = 3

Greatest Common Factor of 63,60,66,87 By Matching Biggest Common Factor Method

Greatest Common Factor of 63,60,66,87 By Matching Biggest Common Factor Method

Factors of 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Factors of 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

Factors of 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

Greatest Common Factor

We found the factors 63,60,66,87 . The biggest common factor number is the GCF number.
So the greatest common factor 63,60,66,87 is 3.


Lets's calculate LCM of 69,11,28,978

2 69, 11, 28, 978
3 69, 11, 14, 489
23, 11, 14, 163

∴ So the LCM of the given numbers is 2 x 3 x 23 x 11 x 14 x 163 = 3464076

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 3/3464076

Therefore, the GCF of Fractions 63/69,60/11,66/28,87/978 is 3/3464076

Least Common Multiple of 69,11,28,978 with GCF Formula

Least Common Multiple of 69,11,28,978 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 69,11,28,978 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(69,11,28,978) = 1

common factors(in case of two or more numbers have common factors) = 6

GCF(69,11,28,978) x common factors =1 x 6 = 6

LCM(69,11,28,978) = ( 69 × 11 × 28 × 978 ) / 6

LCM(69,11,28,978) = 20784456 / 6

LCM(69,11,28,978) = 3464076


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 63/69, 60/11, 66/28, 87/978

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 63/69, 60/11, 66/28, 87/978?

Answer: GCF of Numerators as per given numbers 63/69, 60/11, 66/28, 87/978 is

GCF of Numerators i.e. for 63,60,66,87 is 3

LCM of denominators i.e. for 69,11,28,978 is 3464076.

Thus, GCF of Fractions is 3/3464076.Finally, GCF of Fractions for 63/69, 60/11, 66/28, 87/978 is 3/3464076.