Use our free GCF of Fractions Calculator tool to compute the GCF of 145/70, 817/255 i.e 1/3570 easily. The following is the detailed procedure to determine the greatest common factor of fractions 145/70, 817/255.
Enter two or more fractions separated by "commas"
Ex: 2/3, 5/7 or 3/5, 5/9, 7/3
Given fractions are 145/70,817/255
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 145/70,817/255, numerators are 145,817
Denominators are 70,255
The GCF of 145,817 is 1 .
LCM of 70,255 is 3570.
The greatest common factor of 145/70,817/255 = [GCF of 145,817]/[LCM of 70,255]= 1/3570
Therefore, the GCF of 145/70,817/255 is 1/3570.
To find the highest common factor of 145,817, we have to find the factors of both numbers and list the highest common factor.
The factors of 145 are 1, 5, 29, 145
The factors of 817 are 1, 19, 43, 817
The HCF of 145,817 is 1.
Lets's calculate GCF of 145,817
∴ So GCF of numbers is 1 because of no common factors present between them.
Now, list down the factors of 145
:1,5,29,145
Now, list down the factors of 817
:1,19,43,817
Greatest Common Factor
We found the factors 145,817 . The biggest common factor number is the GCF number.
So the greatest common factor 145,817 is 1.
Lets's calculate LCM of 70,255
5 | 70, 255 |
14, 51 |
∴ So the LCM of the given numbers is 5 x 14 x 51 = 3570
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/3570
Therefore, the GCF of Fractions 145/70,817/255 is 1/3570
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 70,255 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(70,255) = 5
common factors(in case of two or more numbers have common factors) = 1
GCF(70,255) x common factors =5 x 1 = 5
LCM(70,255) = ( 70 × 255 ) / 5
LCM(70,255) = 17850 / 5
LCM(70,255) = 3570
Here are some samples of GCF of Fractions calculations.
1. What is the HCF of 145,817?
The HCF of 145,817 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 145/70, 817/255?
Answer: GCF of Numerators as per given numbers 145/70, 817/255 is
GCF of Numerators i.e. for 145,817 is 1
LCM of denominators i.e. for 70,255 is 3570.
Thus, GCF of Fractions is 1/3570.Finally, GCF of Fractions for 145/70, 817/255 is 1/3570.