Greatest Common Factor of 45/89, 85/31, 170/383

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


GCF of 45/89, 85/31, 170/383

Enter two or more fractions separated by "commas"

Ex: 2/3, 5/7 or 3/5, 5/9, 7/3

GCF of:

Greatest Common Factor of 45/89,85/31,170/383

Given fractions are 45/89,85/31,170/383

Formula to find GCF of Fractions is

GCF = GCF of Numerators/LCM of Denominators

As per the formula GCF of Fractions let’s split into two parts and find the GCF of Numerators and LCM of Denominators

In the given fractions GCF of Numerators means GCF of 45,85,170

Greatest Common Factor of Numerators i.e. GCF of 45,85,170 is 5 .

LCM of Denominators means LCM of 89,31,383 as per the given fractions.

LCM of 89,31,383 is 1056697 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 45,85,170

GCF of Fractions 45/89,85/31,170/383 is 5/1056697

5 45, 85, 170
9, 17, 34

∴ So the GCF of the given numbers is 5 = 5

Greatest Common Factor of 45,85,170 By Matching Biggest Common Factor Method

Greatest Common Factor of 45,85,170 By Matching Biggest Common Factor Method

Factors of 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Factors of 170

List of positive integer factors of 170 that divides 170 without a remainder.

1,2,5,10,17,34,85,170

Greatest Common Factor

We found the factors 45,85,170 . The biggest common factor number is the GCF number.
So the greatest common factor 45,85,170 is 5.


Lets's calculate LCM of 89,31,383

Given numbers has no common factors except 1. So, there LCM is their product i.e 1056697

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 5/1056697

Therefore, the GCF of Fractions 45/89,85/31,170/383 is 5/1056697

Least Common Multiple of 89,31,383 with GCF Formula

Least Common Multiple of 89,31,383 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 89,31,383 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(89,31,383) = 1

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

GCF(89,31,383) x common factors =1 x 1 = 1

LCM(89,31,383) = ( 89 × 31 × 383 ) / 1

LCM(89,31,383) = 1056697 / 1

LCM(89,31,383) = 1056697


GCF of Fractions Calculation Examples

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Frequently Asked Questions on Fractional GCF of 45/89, 85/31, 170/383

1. 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.

2. What is the GCF of Fractions for 45/89, 85/31, 170/383?

Answer: GCF of Numerators as per given numbers 45/89, 85/31, 170/383 is

GCF of Numerators i.e. for 45,85,170 is 5

LCM of denominators i.e. for 89,31,383 is 1056697.

Thus, GCF of Fractions is 5/1056697.Finally, GCF of Fractions for 45/89, 85/31, 170/383 is 5/1056697.