Use our free GCF of Fractions Calculator tool to compute the GCF of 1770/122, 7911/990 i.e 3/60390 easily. The following is the detailed procedure to determine the greatest common factor of fractions 1770/122, 7911/990.
Enter two or more fractions separated by "commas"
Ex: 2/3, 5/7 or 3/5, 5/9, 7/3
Given fractions are 1770/122,7911/990
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 1770/122,7911/990, numerators are 1770,7911
Denominators are 122,990
The GCF of 1770,7911 is 3 .
LCM of 122,990 is 60390.
The greatest common factor of 1770/122,7911/990 = [GCF of 1770,7911]/[LCM of 122,990]= 3/60390
Therefore, the GCF of 1770/122,7911/990 is 3/60390.
To find the highest common factor of 1770,7911, we have to find the factors of both numbers and list the highest common factor.
The factors of 1770 are 1, 2, 3, 5, 6, 10, 15, 30, 59, 118, 177, 295, 354, 590, 885, 1770
The factors of 7911 are 1, 3, 9, 27, 293, 879, 2637, 7911
The HCF of 1770,7911 is 3.
Lets's calculate GCF of 1770,7911
3 | 1770, 7911 |
590, 2637 |
∴ So the GCF of the given numbers is 3 = 3
Now, list down the factors of 1770
:1,2,3,5,6,10,15,30,59,118,177,295,354,590,885,1770
Now, list down the factors of 7911
:1,3,9,27,293,879,2637,7911
Greatest Common Factor
We found the factors 1770,7911 . The biggest common factor number is the GCF number.
So the greatest common factor 1770,7911 is 3.
Lets's calculate LCM of 122,990
2 | 122, 990 |
61, 495 |
∴ So the LCM of the given numbers is 2 x 61 x 495 = 60390
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 3/60390
Therefore, the GCF of Fractions 1770/122,7911/990 is 3/60390
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 122,990 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(122,990) = 2
common factors(in case of two or more numbers have common factors) = 1
GCF(122,990) x common factors =2 x 1 = 2
LCM(122,990) = ( 122 × 990 ) / 2
LCM(122,990) = 120780 / 2
LCM(122,990) = 60390
Here are some samples of GCF of Fractions calculations.
1. What is the HCF of 1770,7911?
The HCF of 1770,7911 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 1770/122, 7911/990?
Answer: GCF of Numerators as per given numbers 1770/122, 7911/990 is
GCF of Numerators i.e. for 1770,7911 is 3
LCM of denominators i.e. for 122,990 is 60390.
Thus, GCF of Fractions is 3/60390.Finally, GCF of Fractions for 1770/122, 7911/990 is 3/60390.