GCF of 960/81, 217/90, 640/83
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 960/81, 217/90, 640/83 i.e 1/67230 easily. The following is the detailed procedure to determine the greatest common factor of fractions 960/81, 217/90, 640/83.
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 960/81,217/90,640/83?
Given fractions are 960/81,217/90,640/83
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 960/81,217/90,640/83, numerators are 960,217,640
Denominators are 81,90,83
The GCF of 960,217,640 is 1 .
LCM of 81,90,83 is 67230.
The greatest common factor of 960/81,217/90,640/83 = [GCF of 960,217,640]/[LCM of 81,90,83]= 1/67230
Therefore, the GCF of 960/81,217/90,640/83 is 1/67230.
To find the highest common factor of 960,217,640, we have to find the factors of both numbers and list the highest common factor.
The factors of 960 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960
The factors of 217 are 1, 7, 31, 217
The factors of 640 are 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640
The HCF of 960,217,640 is 1.
Lets's calculate GCF of 960,217,640
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 960,217,640 By Matching Biggest Common Factor Method
Now, list down the factors of 960
:1,2,3,4,5,6,8,10,12,15,16,20,24,30,32,40,48,60,64,80,96,120,160,192,240,320,480,960
Now, list down the factors of 217
:1,7,31,217
Now, list down the factors of 640
:1,2,4,5,8,10,16,20,32,40,64,80,128,160,320,640
Greatest Common Factor
We found the factors 960,217,640 . The biggest common factor number is the GCF number.
So the greatest common factor 960,217,640 is 1.
Lets's calculate LCM of 81,90,83
| 3 | 81, 90, 83 |
| 3 | 27, 30, 83 |
| 9, 10, 83 |
∴ So the LCM of the given numbers is 3 x 3 x 9 x 10 x 83 = 67230
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/67230
Therefore, the GCF of Fractions 960/81,217/90,640/83 is 1/67230
Least Common Multiple of 81,90,83 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 81,90,83 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(81,90,83) = 1
common factors(in case of two or more numbers have common factors) = 9
GCF(81,90,83) x common factors =1 x 9 = 9
LCM(81,90,83) = ( 81 × 90 × 83 ) / 9
LCM(81,90,83) = 605070 / 9
LCM(81,90,83) = 67230
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FAQs on GCF of Fractions of 960/81, 217/90, 640/83
1. What is the HCF of 960,217,640?
The HCF of 960,217,640 is 1
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 960/81, 217/90, 640/83?
Answer: GCF of Numerators as per given numbers 960/81, 217/90, 640/83 is
GCF of Numerators i.e. for 960,217,640 is 1
LCM of denominators i.e. for 81,90,83 is 67230.
Thus, GCF of Fractions is 1/67230.Finally, GCF of Fractions for 960/81, 217/90, 640/83 is 1/67230.