GCF of 486/70, 645/1695
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 486/70, 645/1695 i.e 3/23730 easily. The following is the detailed procedure to determine the greatest common factor of fractions 486/70, 645/1695.
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 486/70,645/1695?
Given fractions are 486/70,645/1695
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 486/70,645/1695, numerators are 486,645
Denominators are 70,1695
The GCF of 486,645 is 3 .
LCM of 70,1695 is 23730.
The greatest common factor of 486/70,645/1695 = [GCF of 486,645]/[LCM of 70,1695]= 3/23730
Therefore, the GCF of 486/70,645/1695 is 3/23730.
To find the highest common factor of 486,645, we have to find the factors of both numbers and list the highest common factor.
The factors of 486 are 1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486
The factors of 645 are 1, 3, 5, 15, 43, 129, 215, 645
The HCF of 486,645 is 3.
Lets's calculate GCF of 486,645
| 3 | 486, 645 |
| 162, 215 |
∴ So the GCF of the given numbers is 3 = 3
Greatest Common Factor of 486,645 By Matching Biggest Common Factor Method
Now, list down the factors of 486
:1,2,3,6,9,18,27,54,81,162,243,486
Now, list down the factors of 645
:1,3,5,15,43,129,215,645
Greatest Common Factor
We found the factors 486,645 . The biggest common factor number is the GCF number.
So the greatest common factor 486,645 is 3.
Lets's calculate LCM of 70,1695
| 5 | 70, 1695 |
| 14, 339 |
∴ So the LCM of the given numbers is 5 x 14 x 339 = 23730
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 3/23730
Therefore, the GCF of Fractions 486/70,645/1695 is 3/23730
Least Common Multiple of 70,1695 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 70,1695 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(70,1695) = 5
common factors(in case of two or more numbers have common factors) = 1
GCF(70,1695) x common factors =5 x 1 = 5
LCM(70,1695) = ( 70 × 1695 ) / 5
LCM(70,1695) = 118650 / 5
LCM(70,1695) = 23730
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FAQs on GCF of Fractions of 486/70, 645/1695
1. What is the HCF of 486,645?
The HCF of 486,645 is 3
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 486/70, 645/1695?
Answer: GCF of Numerators as per given numbers 486/70, 645/1695 is
GCF of Numerators i.e. for 486,645 is 3
LCM of denominators i.e. for 70,1695 is 23730.
Thus, GCF of Fractions is 3/23730.Finally, GCF of Fractions for 486/70, 645/1695 is 3/23730.