How to Find GCF of 89/61, 21/69, 630/152?

GCF of 89/61, 21/69, 630/152

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 89/61, 21/69, 630/152 i.e 1/639768 easily. The following is the detailed procedure to determine the greatest common factor of fractions 89/61, 21/69, 630/152.

Enter two or more fractions separated by "commas"

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

What is the GCF of 89/61,21/69,630/152?

Given fractions are 89/61,21/69,630/152

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 89/61,21/69,630/152, numerators are 89,21,630

Denominators are 61,69,152

The GCF of 89,21,630 is 1 .

LCM of 61,69,152 is 639768.

The greatest common factor of 89/61,21/69,630/152 = [GCF of 89,21,630]/[LCM of 61,69,152]= 1/639768

Therefore, the GCF of 89/61,21/69,630/152 is 1/639768.

Greatest Common Factor of 89,21,630

To find the highest common factor of 89,21,630, we have to find the factors of both numbers and list the highest common factor.

The factors of 89 are 1, 89

The factors of 21 are 1, 3, 7, 21

The factors of 630 are 1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630

The HCF of 89,21,630 is 1.

Lets's calculate GCF of 89,21,630

Greatest Common Factor (GCF) of 89,21,630 By Common Division

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

Greatest Common Factor of 89,21,630 By Matching Biggest Common Factor Method

Now, list down the factors of 89

1,89

Now, list down the factors of 21

1,3,7,21

Now, list down the factors of 630

1,2,3,5,6,7,9,10,14,15,18,21,30,35,42,45,63,70,90,105,126,210,315,630

Greatest Common Factor

We found the factors 89,21,630 . The biggest common factor number is the GCF number.
So the greatest common factor 89,21,630 is 1.

Lets's calculate LCM of 61,69,152

Lowest Common Multiple of 61,69,152 using Common Division

Given numbers has no common factors except 1. So, there LCM is their product i.e 639768

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/639768

Therefore, the GCF of Fractions 89/61,21/69,630/152 is 1/639768

Least Common Multiple of 61,69,152 with GCF Formula

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

We need to calculate greatest common factor of 61,69,152 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(61,69,152) = 1

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

GCF(61,69,152) x common factors =1 x 1 = 1

LCM(61,69,152) = ( 61 × 69 × 152 ) / 1

LCM(61,69,152) = 639768 / 1

LCM(61,69,152) = 639768

GCF of Fractions Calculation Examples

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FAQs on GCF of Fractions of 89/61, 21/69, 630/152

1. What is the HCF of 89,21,630?

The HCF of 89,21,630 is 1

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 89/61, 21/69, 630/152?

Answer: GCF of Numerators as per given numbers 89/61, 21/69, 630/152 is

GCF of Numerators i.e. for 89,21,630 is 1

LCM of denominators i.e. for 61,69,152 is 639768.

Thus, GCF of Fractions is 1/639768.Finally, GCF of Fractions for 89/61, 21/69, 630/152 is 1/639768.