How to Find GCF of 45/70, 17/44, 243/880?

GCF of 45/70, 17/44, 243/880

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 45/70, 17/44, 243/880 i.e 1/6160 easily. The following is the detailed procedure to determine the greatest common factor of fractions 45/70, 17/44, 243/880.

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 45/70,17/44,243/880?

Given fractions are 45/70,17/44,243/880

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 45/70,17/44,243/880, numerators are 45,17,243

Denominators are 70,44,880

The GCF of 45,17,243 is 1 .

LCM of 70,44,880 is 6160.

The greatest common factor of 45/70,17/44,243/880 = [GCF of 45,17,243]/[LCM of 70,44,880]= 1/6160

Therefore, the GCF of 45/70,17/44,243/880 is 1/6160.

Greatest Common Factor of 45,17,243

To find the highest common factor of 45,17,243, we have to find the factors of both numbers and list the highest common factor.

The factors of 45 are 1, 3, 5, 9, 15, 45

The factors of 17 are 1, 17

The factors of 243 are 1, 3, 9, 27, 81, 243

The HCF of 45,17,243 is 1.

Lets's calculate GCF of 45,17,243

Greatest Common Factor (GCF) of 45,17,243 By Common Division

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

Greatest Common Factor of 45,17,243 By Matching Biggest Common Factor Method

Now, list down the factors of 45

1,3,5,9,15,45

Now, list down the factors of 17

1,17

Now, list down the factors of 243

1,3,9,27,81,243

Greatest Common Factor

We found the factors 45,17,243 . The biggest common factor number is the GCF number.
So the greatest common factor 45,17,243 is 1.

Lets's calculate LCM of 70,44,880

Lowest Common Multiple of 70,44,880 using Common Division

2	70, 44, 880
2	35, 22, 440
5	35, 11, 220
11	7, 11, 44
	7, 1, 4

∴ So the LCM of the given numbers is 2 x 2 x 5 x 11 x 7 x 1 x 4 = 6160

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/6160

Therefore, the GCF of Fractions 45/70,17/44,243/880 is 1/6160

Least Common Multiple of 70,44,880 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 70,44,880 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(70,44,880) = 2

common factors(in case of two or more numbers have common factors) = 220

GCF(70,44,880) x common factors =2 x 220 = 440

LCM(70,44,880) = ( 70 × 44 × 880 ) / 440

LCM(70,44,880) = 2710400 / 440

LCM(70,44,880) = 6160

GCF of Fractions Calculation Examples

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FAQs on GCF of Fractions of 45/70, 17/44, 243/880

1. What is the HCF of 45,17,243?

The HCF of 45,17,243 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 45/70, 17/44, 243/880?

Answer: GCF of Numerators as per given numbers 45/70, 17/44, 243/880 is

GCF of Numerators i.e. for 45,17,243 is 1

LCM of denominators i.e. for 70,44,880 is 6160.

Thus, GCF of Fractions is 1/6160.Finally, GCF of Fractions for 45/70, 17/44, 243/880 is 1/6160.