GCF of 99/65, 861/18, 780/64
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 99/65, 861/18, 780/64 i.e 3/37440 easily. The following is the detailed procedure to determine the greatest common factor of fractions 99/65, 861/18, 780/64.
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 99/65,861/18,780/64?
Given fractions are 99/65,861/18,780/64
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 99/65,861/18,780/64, numerators are 99,861,780
Denominators are 65,18,64
The GCF of 99,861,780 is 3 .
LCM of 65,18,64 is 37440.
The greatest common factor of 99/65,861/18,780/64 = [GCF of 99,861,780]/[LCM of 65,18,64]= 3/37440
Therefore, the GCF of 99/65,861/18,780/64 is 3/37440.
To find the highest common factor of 99,861,780, we have to find the factors of both numbers and list the highest common factor.
The factors of 99 are 1, 3, 9, 11, 33, 99
The factors of 861 are 1, 3, 7, 21, 41, 123, 287, 861
The factors of 780 are 1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780
The HCF of 99,861,780 is 3.
Lets's calculate GCF of 99,861,780
| 3 | 99, 861, 780 |
| 33, 287, 260 |
∴ So the GCF of the given numbers is 3 = 3
Greatest Common Factor of 99,861,780 By Matching Biggest Common Factor Method
Now, list down the factors of 99
:1,3,9,11,33,99
Now, list down the factors of 861
:1,3,7,21,41,123,287,861
Now, list down the factors of 780
:1,2,3,4,5,6,10,12,13,15,20,26,30,39,52,60,65,78,130,156,195,260,390,780
Greatest Common Factor
We found the factors 99,861,780 . The biggest common factor number is the GCF number.
So the greatest common factor 99,861,780 is 3.
Lets's calculate LCM of 65,18,64
| 2 | 65, 18, 64 |
| 65, 9, 32 |
∴ So the LCM of the given numbers is 2 x 65 x 9 x 32 = 37440
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 3/37440
Therefore, the GCF of Fractions 99/65,861/18,780/64 is 3/37440
Least Common Multiple of 65,18,64 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 65,18,64 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(65,18,64) = 1
common factors(in case of two or more numbers have common factors) = 2
GCF(65,18,64) x common factors =1 x 2 = 2
LCM(65,18,64) = ( 65 × 18 × 64 ) / 2
LCM(65,18,64) = 74880 / 2
LCM(65,18,64) = 37440
GCF of Fractions Calculation Examples
Here are some samples of GCF of Fractions calculations.
FAQs on GCF of Fractions of 99/65, 861/18, 780/64
1. What is the HCF of 99,861,780?
The HCF of 99,861,780 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 99/65, 861/18, 780/64?
Answer: GCF of Numerators as per given numbers 99/65, 861/18, 780/64 is
GCF of Numerators i.e. for 99,861,780 is 3
LCM of denominators i.e. for 65,18,64 is 37440.
Thus, GCF of Fractions is 3/37440.Finally, GCF of Fractions for 99/65, 861/18, 780/64 is 3/37440.