How to Find GCF of 13/66, 768/40, 380/306?

GCF of 13/66, 768/40, 380/306

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 13/66, 768/40, 380/306 i.e 1/67320 easily. The following is the detailed procedure to determine the greatest common factor of fractions 13/66, 768/40, 380/306.

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 13/66,768/40,380/306?

Given fractions are 13/66,768/40,380/306

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 13/66,768/40,380/306, numerators are 13,768,380

Denominators are 66,40,306

The GCF of 13,768,380 is 1 .

LCM of 66,40,306 is 67320.

The greatest common factor of 13/66,768/40,380/306 = [GCF of 13,768,380]/[LCM of 66,40,306]= 1/67320

Therefore, the GCF of 13/66,768/40,380/306 is 1/67320.

Greatest Common Factor of 13,768,380

To find the highest common factor of 13,768,380, we have to find the factors of both numbers and list the highest common factor.

The factors of 13 are 1, 13

The factors of 768 are 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 768

The factors of 380 are 1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380

The HCF of 13,768,380 is 1.

Lets's calculate GCF of 13,768,380

Greatest Common Factor (GCF) of 13,768,380 By Common Division

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

Greatest Common Factor of 13,768,380 By Matching Biggest Common Factor Method

Now, list down the factors of 13

1,13

Now, list down the factors of 768

1,2,3,4,6,8,12,16,24,32,48,64,96,128,192,256,384,768

Now, list down the factors of 380

1,2,4,5,10,19,20,38,76,95,190,380

Greatest Common Factor

We found the factors 13,768,380 . The biggest common factor number is the GCF number.
So the greatest common factor 13,768,380 is 1.

Lets's calculate LCM of 66,40,306

Lowest Common Multiple of 66,40,306 using Common Division

2	66, 40, 306
3	33, 20, 153
	11, 20, 51

∴ So the LCM of the given numbers is 2 x 3 x 11 x 20 x 51 = 67320

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/67320

Therefore, the GCF of Fractions 13/66,768/40,380/306 is 1/67320

Least Common Multiple of 66,40,306 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 66,40,306 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(66,40,306) = 2

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

GCF(66,40,306) x common factors =2 x 6 = 12

LCM(66,40,306) = ( 66 × 40 × 306 ) / 12

LCM(66,40,306) = 807840 / 12

LCM(66,40,306) = 67320

GCF of Fractions Calculation Examples

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FAQs on GCF of Fractions of 13/66, 768/40, 380/306

1. What is the HCF of 13,768,380?

The HCF of 13,768,380 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 13/66, 768/40, 380/306?

Answer: GCF of Numerators as per given numbers 13/66, 768/40, 380/306 is

GCF of Numerators i.e. for 13,768,380 is 1

LCM of denominators i.e. for 66,40,306 is 67320.

Thus, GCF of Fractions is 1/67320.Finally, GCF of Fractions for 13/66, 768/40, 380/306 is 1/67320.