Use our free GCF of Fractions Calculator tool to compute the GCF of 38/30, 19/15, 74/34 i.e 1/510 easily. The following is the detailed procedure to determine the greatest common factor of fractions 38/30, 19/15, 74/34.
Enter two or more fractions separated by "commas"
Ex: 2/3, 5/7 or 3/5, 5/9, 7/3
Given fractions are 38/30,19/15,74/34
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 38/30,19/15,74/34, numerators are 38,19,74
Denominators are 30,15,34
The GCF of 38,19,74 is 1 .
LCM of 30,15,34 is 510.
The greatest common factor of 38/30,19/15,74/34 = [GCF of 38,19,74]/[LCM of 30,15,34]= 1/510
Therefore, the GCF of 38/30,19/15,74/34 is 1/510.
To find the highest common factor of 38,19,74, we have to find the factors of both numbers and list the highest common factor.
The factors of 38 are 1, 2, 19, 38
The factors of 19 are 1, 19
The factors of 74 are 1, 2, 37, 74
The HCF of 38,19,74 is 1.
Lets's calculate GCF of 38,19,74
∴ So GCF of numbers is 1 because of no common factors present between them.
Now, list down the factors of 38
:1,2,19,38
Now, list down the factors of 19
:1,19
Now, list down the factors of 74
:1,2,37,74
Greatest Common Factor
We found the factors 38,19,74 . The biggest common factor number is the GCF number.
So the greatest common factor 38,19,74 is 1.
Lets's calculate LCM of 30,15,34
2 | 30, 15, 34 |
3 | 15, 15, 17 |
5 | 5, 5, 17 |
1, 1, 17 |
∴ So the LCM of the given numbers is 2 x 3 x 5 x 1 x 1 x 17 = 510
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/510
Therefore, the GCF of Fractions 38/30,19/15,74/34 is 1/510
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 30,15,34 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(30,15,34) = 1
common factors(in case of two or more numbers have common factors) = 30
GCF(30,15,34) x common factors =1 x 30 = 30
LCM(30,15,34) = ( 30 × 15 × 34 ) / 30
LCM(30,15,34) = 15300 / 30
LCM(30,15,34) = 510
Here are some samples of GCF of Fractions calculations.
1. What is the HCF of 38,19,74?
The HCF of 38,19,74 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 38/30, 19/15, 74/34?
Answer: GCF of Numerators as per given numbers 38/30, 19/15, 74/34 is
GCF of Numerators i.e. for 38,19,74 is 1
LCM of denominators i.e. for 30,15,34 is 510.
Thus, GCF of Fractions is 1/510.Finally, GCF of Fractions for 38/30, 19/15, 74/34 is 1/510.