GCF of 87/29, 990/21, 858/718
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 87/29, 990/21, 858/718 i.e 3/437262 easily. The following is the detailed procedure to determine the greatest common factor of fractions 87/29, 990/21, 858/718.
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 87/29,990/21,858/718?
Given fractions are 87/29,990/21,858/718
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 87/29,990/21,858/718, numerators are 87,990,858
Denominators are 29,21,718
The GCF of 87,990,858 is 3 .
LCM of 29,21,718 is 437262.
The greatest common factor of 87/29,990/21,858/718 = [GCF of 87,990,858]/[LCM of 29,21,718]= 3/437262
Therefore, the GCF of 87/29,990/21,858/718 is 3/437262.
To find the highest common factor of 87,990,858, we have to find the factors of both numbers and list the highest common factor.
The factors of 87 are 1, 3, 29, 87
The factors of 990 are 1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990
The factors of 858 are 1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858
The HCF of 87,990,858 is 3.
Lets's calculate GCF of 87,990,858
| 3 | 87, 990, 858 |
| 29, 330, 286 |
∴ So the GCF of the given numbers is 3 = 3
Greatest Common Factor of 87,990,858 By Matching Biggest Common Factor Method
Now, list down the factors of 87
:1,3,29,87
Now, list down the factors of 990
:1,2,3,5,6,9,10,11,15,18,22,30,33,45,55,66,90,99,110,165,198,330,495,990
Now, list down the factors of 858
:1,2,3,6,11,13,22,26,33,39,66,78,143,286,429,858
Greatest Common Factor
We found the factors 87,990,858 . The biggest common factor number is the GCF number.
So the greatest common factor 87,990,858 is 3.
Lets's calculate LCM of 29,21,718
Given numbers has no common factors except 1. So, there LCM is their product i.e 437262
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 3/437262
Therefore, the GCF of Fractions 87/29,990/21,858/718 is 3/437262
Least Common Multiple of 29,21,718 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 29,21,718 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(29,21,718) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(29,21,718) x common factors =1 x 1 = 1
LCM(29,21,718) = ( 29 × 21 × 718 ) / 1
LCM(29,21,718) = 437262 / 1
LCM(29,21,718) = 437262
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FAQs on GCF of Fractions of 87/29, 990/21, 858/718
1. What is the HCF of 87,990,858?
The HCF of 87,990,858 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 87/29, 990/21, 858/718?
Answer: GCF of Numerators as per given numbers 87/29, 990/21, 858/718 is
GCF of Numerators i.e. for 87,990,858 is 3
LCM of denominators i.e. for 29,21,718 is 437262.
Thus, GCF of Fractions is 3/437262.Finally, GCF of Fractions for 87/29, 990/21, 858/718 is 3/437262.