GCF of 385/39, 685/73, 343/45
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 385/39, 685/73, 343/45 i.e 1/42705 easily. The following is the detailed procedure to determine the greatest common factor of fractions 385/39, 685/73, 343/45.
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 385/39,685/73,343/45?
Given fractions are 385/39,685/73,343/45
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 385/39,685/73,343/45, numerators are 385,685,343
Denominators are 39,73,45
The GCF of 385,685,343 is 1 .
LCM of 39,73,45 is 42705.
The greatest common factor of 385/39,685/73,343/45 = [GCF of 385,685,343]/[LCM of 39,73,45]= 1/42705
Therefore, the GCF of 385/39,685/73,343/45 is 1/42705.
To find the highest common factor of 385,685,343, we have to find the factors of both numbers and list the highest common factor.
The factors of 385 are 1, 5, 7, 11, 35, 55, 77, 385
The factors of 685 are 1, 5, 137, 685
The factors of 343 are 1, 7, 49, 343
The HCF of 385,685,343 is 1.
Lets's calculate GCF of 385,685,343
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 385,685,343 By Matching Biggest Common Factor Method
Now, list down the factors of 385
:1,5,7,11,35,55,77,385
Now, list down the factors of 685
:1,5,137,685
Now, list down the factors of 343
:1,7,49,343
Greatest Common Factor
We found the factors 385,685,343 . The biggest common factor number is the GCF number.
So the greatest common factor 385,685,343 is 1.
Lets's calculate LCM of 39,73,45
| 3 | 39, 73, 45 |
| 13, 73, 15 |
∴ So the LCM of the given numbers is 3 x 13 x 73 x 15 = 42705
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/42705
Therefore, the GCF of Fractions 385/39,685/73,343/45 is 1/42705
Least Common Multiple of 39,73,45 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 39,73,45 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(39,73,45) = 1
common factors(in case of two or more numbers have common factors) = 3
GCF(39,73,45) x common factors =1 x 3 = 3
LCM(39,73,45) = ( 39 × 73 × 45 ) / 3
LCM(39,73,45) = 128115 / 3
LCM(39,73,45) = 42705
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FAQs on GCF of Fractions of 385/39, 685/73, 343/45
1. What is the HCF of 385,685,343?
The HCF of 385,685,343 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 385/39, 685/73, 343/45?
Answer: GCF of Numerators as per given numbers 385/39, 685/73, 343/45 is
GCF of Numerators i.e. for 385,685,343 is 1
LCM of denominators i.e. for 39,73,45 is 42705.
Thus, GCF of Fractions is 1/42705.Finally, GCF of Fractions for 385/39, 685/73, 343/45 is 1/42705.