GCF of 660/855, 666/321
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 660/855, 666/321 i.e 6/91485 easily. The following is the detailed procedure to determine the greatest common factor of fractions 660/855, 666/321.
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 660/855,666/321?
Given fractions are 660/855,666/321
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 660/855,666/321, numerators are 660,666
Denominators are 855,321
The GCF of 660,666 is 6 .
LCM of 855,321 is 91485.
The greatest common factor of 660/855,666/321 = [GCF of 660,666]/[LCM of 855,321]= 6/91485
Therefore, the GCF of 660/855,666/321 is 6/91485.
To find the highest common factor of 660,666, we have to find the factors of both numbers and list the highest common factor.
The factors of 660 are 1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660
The factors of 666 are 1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666
The HCF of 660,666 is 6.
Lets's calculate GCF of 660,666
| 2 | 660, 666 |
| 3 | 330, 333 |
| 110, 111 |
∴ So the GCF of the given numbers is 2 x 3 = 6
Greatest Common Factor of 660,666 By Matching Biggest Common Factor Method
Now, list down the factors of 660
:1,2,3,4,5,6,10,11,12,15,20,22,30,33,44,55,60,66,110,132,165,220,330,660
Now, list down the factors of 666
:1,2,3,6,9,18,37,74,111,222,333,666
Greatest Common Factor
We found the factors 660,666 . The biggest common factor number is the GCF number.
So the greatest common factor 660,666 is 6.
Lets's calculate LCM of 855,321
| 3 | 855, 321 |
| 285, 107 |
∴ So the LCM of the given numbers is 3 x 285 x 107 = 91485
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 6/91485
Therefore, the GCF of Fractions 660/855,666/321 is 6/91485
Least Common Multiple of 855,321 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 855,321 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(855,321) = 3
common factors(in case of two or more numbers have common factors) = 1
GCF(855,321) x common factors =3 x 1 = 3
LCM(855,321) = ( 855 × 321 ) / 3
LCM(855,321) = 274455 / 3
LCM(855,321) = 91485
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FAQs on GCF of Fractions of 660/855, 666/321
1. What is the HCF of 660,666?
The HCF of 660,666 is 6
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 660/855, 666/321?
Answer: GCF of Numerators as per given numbers 660/855, 666/321 is
GCF of Numerators i.e. for 660,666 is 6
LCM of denominators i.e. for 855,321 is 91485.
Thus, GCF of Fractions is 6/91485.Finally, GCF of Fractions for 660/855, 666/321 is 6/91485.