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GCF of 420/79, 483/880

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 420/79, 483/880 i.e 21/69520 easily. The following is the detailed procedure to determine the greatest common factor of fractions 420/79, 483/880.

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 420/79,483/880?

Given fractions are 420/79,483/880

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 420/79,483/880, numerators are 420,483

Denominators are 79,880

The GCF of 420,483 is 21 .

LCM of 79,880 is 69520.

The greatest common factor of 420/79,483/880 = [GCF of 420,483]/[LCM of 79,880]= 21/69520

Therefore, the GCF of 420/79,483/880 is 21/69520.

Greatest Common Factor of 420,483

To find the highest common factor of 420,483, we have to find the factors of both numbers and list the highest common factor.

The factors of 420 are 1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420

The factors of 483 are 1, 3, 7, 21, 23, 69, 161, 483

The HCF of 420,483 is 21.

Lets's calculate GCF of 420,483

Greatest Common Factor (GCF) of 420,483 By Common Division

3 420, 483
7 140, 161
20, 23

∴ So the GCF of the given numbers is 3 x 7 = 21

Greatest Common Factor of 420,483 By Matching Biggest Common Factor Method

Greatest Common Factor of 420,483 By Matching Biggest Common Factor Method

Now, list down the factors of 420

:

1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420

Now, list down the factors of 483

:

1,3,7,21,23,69,161,483

Greatest Common Factor

We found the factors 420,483 . The biggest common factor number is the GCF number.
So the greatest common factor 420,483 is 21.


Lets's calculate LCM of 79,880

Lowest Common Multiple of 79,880 using Common Division

Given numbers has no common factors except 1. So, there LCM is their product i.e 69520

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 21/69520

Therefore, the GCF of Fractions 420/79,483/880 is 21/69520

Least Common Multiple of 79,880 with GCF Formula

Least Common Multiple of 79,880 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 79,880 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(79,880) = 1

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

GCF(79,880) x common factors =1 x 1 = 1

LCM(79,880) = ( 79 × 880 ) / 1

LCM(79,880) = 69520 / 1

LCM(79,880) = 69520


GCF of Fractions Calculation Examples

FAQs on GCF of Fractions of 420/79, 483/880

1. What is the HCF of 420,483?

The HCF of 420,483 is 21

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 420/79, 483/880?

Answer: GCF of Numerators as per given numbers 420/79, 483/880 is

GCF of Numerators i.e. for 420,483 is 21

LCM of denominators i.e. for 79,880 is 69520.

Thus, GCF of Fractions is 21/69520.Finally, GCF of Fractions for 420/79, 483/880 is 21/69520.