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GCF of 320/79, 140/842

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 320/79, 140/842 i.e 20/66518 easily. The following is the detailed procedure to determine the greatest common factor of fractions 320/79, 140/842.

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 320/79,140/842?

Given fractions are 320/79,140/842

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 320/79,140/842, numerators are 320,140

Denominators are 79,842

The GCF of 320,140 is 20 .

LCM of 79,842 is 66518.

The greatest common factor of 320/79,140/842 = [GCF of 320,140]/[LCM of 79,842]= 20/66518

Therefore, the GCF of 320/79,140/842 is 20/66518.

Greatest Common Factor of 320,140

To find the highest common factor of 320,140, we have to find the factors of both numbers and list the highest common factor.

The factors of 320 are 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320

The factors of 140 are 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140

The HCF of 320,140 is 20.

Lets's calculate GCF of 320,140

Greatest Common Factor (GCF) of 320,140 By Common Division

2 320, 140
2 160, 70
5 80, 35
16, 7

∴ So the GCF of the given numbers is 2 x 2 x 5 = 20

Greatest Common Factor of 320,140 By Matching Biggest Common Factor Method

Greatest Common Factor of 320,140 By Matching Biggest Common Factor Method

Now, list down the factors of 320

:

1,2,4,5,8,10,16,20,32,40,64,80,160,320

Now, list down the factors of 140

:

1,2,4,5,7,10,14,20,28,35,70,140

Greatest Common Factor

We found the factors 320,140 . The biggest common factor number is the GCF number.
So the greatest common factor 320,140 is 20.

Lets's calculate LCM of 79,842

Lowest Common Multiple of 79,842 using Common Division

Given numbers has no common factors except 1. So, there LCM is their product i.e 66518

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 20/66518

Therefore, the GCF of Fractions 320/79,140/842 is 20/66518

Least Common Multiple of 79,842 with GCF Formula

Least Common Multiple of 79,842 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 79,842 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(79,842) = 1

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

GCF(79,842) x common factors =1 x 1 = 1

LCM(79,842) = ( 79 × 842 ) / 1

LCM(79,842) = 66518 / 1

LCM(79,842) = 66518


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FAQs on GCF of Fractions of 320/79, 140/842

1. What is the HCF of 320,140?

The HCF of 320,140 is 20

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 320/79, 140/842?

Answer: GCF of Numerators as per given numbers 320/79, 140/842 is

GCF of Numerators i.e. for 320,140 is 20

LCM of denominators i.e. for 79,842 is 66518.

Thus, GCF of Fractions is 20/66518.Finally, GCF of Fractions for 320/79, 140/842 is 20/66518.