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GCF of 208/688, 308/459

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 208/688, 308/459 i.e 4/315792 easily. The following is the detailed procedure to determine the greatest common factor of fractions 208/688, 308/459.

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 208/688,308/459?

Given fractions are 208/688,308/459

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 208/688,308/459, numerators are 208,308

Denominators are 688,459

The GCF of 208,308 is 4 .

LCM of 688,459 is 315792.

The greatest common factor of 208/688,308/459 = [GCF of 208,308]/[LCM of 688,459]= 4/315792

Therefore, the GCF of 208/688,308/459 is 4/315792.

Greatest Common Factor of 208,308

To find the highest common factor of 208,308, we have to find the factors of both numbers and list the highest common factor.

The factors of 208 are 1, 2, 4, 8, 13, 16, 26, 52, 104, 208

The factors of 308 are 1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308

The HCF of 208,308 is 4.

Lets's calculate GCF of 208,308

Greatest Common Factor (GCF) of 208,308 By Common Division

2 208, 308
2 104, 154
52, 77

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

Greatest Common Factor of 208,308 By Matching Biggest Common Factor Method

Greatest Common Factor of 208,308 By Matching Biggest Common Factor Method

Now, list down the factors of 208

:

1,2,4,8,13,16,26,52,104,208

Now, list down the factors of 308

:

1,2,4,7,11,14,22,28,44,77,154,308

Greatest Common Factor

We found the factors 208,308 . The biggest common factor number is the GCF number.
So the greatest common factor 208,308 is 4.

Lets's calculate LCM of 688,459

Lowest Common Multiple of 688,459 using Common Division

Given numbers has no common factors except 1. So, there LCM is their product i.e 315792

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 4/315792

Therefore, the GCF of Fractions 208/688,308/459 is 4/315792

Least Common Multiple of 688,459 with GCF Formula

Least Common Multiple of 688,459 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 688,459 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(688,459) = 1

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

GCF(688,459) x common factors =1 x 1 = 1

LCM(688,459) = ( 688 × 459 ) / 1

LCM(688,459) = 315792 / 1

LCM(688,459) = 315792


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FAQs on GCF of Fractions of 208/688, 308/459

1. What is the HCF of 208,308?

The HCF of 208,308 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 208/688, 308/459?

Answer: GCF of Numerators as per given numbers 208/688, 308/459 is

GCF of Numerators i.e. for 208,308 is 4

LCM of denominators i.e. for 688,459 is 315792.

Thus, GCF of Fractions is 4/315792.Finally, GCF of Fractions for 208/688, 308/459 is 4/315792.