GCF of 30/813, 75/633, 990/856
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 30/813, 75/633, 990/856 i.e 15/146840808 easily. The following is the detailed procedure to determine the greatest common factor of fractions 30/813, 75/633, 990/856.
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 30/813,75/633,990/856?
Given fractions are 30/813,75/633,990/856
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 30/813,75/633,990/856, numerators are 30,75,990
Denominators are 813,633,856
The GCF of 30,75,990 is 15 .
LCM of 813,633,856 is 146840808.
The greatest common factor of 30/813,75/633,990/856 = [GCF of 30,75,990]/[LCM of 813,633,856]= 15/146840808
Therefore, the GCF of 30/813,75/633,990/856 is 15/146840808.
To find the highest common factor of 30,75,990, we have to find the factors of both numbers and list the highest common factor.
The factors of 30 are 1, 2, 3, 5, 6, 10, 15, 30
The factors of 75 are 1, 3, 5, 15, 25, 75
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 HCF of 30,75,990 is 15.
Lets's calculate GCF of 30,75,990
| 3 | 30, 75, 990 |
| 5 | 10, 25, 330 |
| 2, 5, 66 |
∴ So the GCF of the given numbers is 3 x 5 = 15
Greatest Common Factor of 30,75,990 By Matching Biggest Common Factor Method
Now, list down the factors of 30
:1,2,3,5,6,10,15,30
Now, list down the factors of 75
:1,3,5,15,25,75
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
Greatest Common Factor
We found the factors 30,75,990 . The biggest common factor number is the GCF number.
So the greatest common factor 30,75,990 is 15.
Lets's calculate LCM of 813,633,856
| 3 | 813, 633, 856 |
| 271, 211, 856 |
∴ So the LCM of the given numbers is 3 x 271 x 211 x 856 = 146840808
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 15/146840808
Therefore, the GCF of Fractions 30/813,75/633,990/856 is 15/146840808
Least Common Multiple of 813,633,856 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 813,633,856 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(813,633,856) = 1
common factors(in case of two or more numbers have common factors) = 3
GCF(813,633,856) x common factors =1 x 3 = 3
LCM(813,633,856) = ( 813 × 633 × 856 ) / 3
LCM(813,633,856) = 440522424 / 3
LCM(813,633,856) = 146840808
GCF of Fractions Calculation Examples
Here are some samples of GCF of Fractions calculations.
FAQs on GCF of Fractions of 30/813, 75/633, 990/856
1. What is the HCF of 30,75,990?
The HCF of 30,75,990 is 15
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 30/813, 75/633, 990/856?
Answer: GCF of Numerators as per given numbers 30/813, 75/633, 990/856 is
GCF of Numerators i.e. for 30,75,990 is 15
LCM of denominators i.e. for 813,633,856 is 146840808.
Thus, GCF of Fractions is 15/146840808.Finally, GCF of Fractions for 30/813, 75/633, 990/856 is 15/146840808.