GCF of 770/990, 7578/1254
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 770/990, 7578/1254 i.e 2/18810 easily. The following is the detailed procedure to determine the greatest common factor of fractions 770/990, 7578/1254.
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 770/990,7578/1254?
Given fractions are 770/990,7578/1254
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 770/990,7578/1254, numerators are 770,7578
Denominators are 990,1254
The GCF of 770,7578 is 2 .
LCM of 990,1254 is 18810.
The greatest common factor of 770/990,7578/1254 = [GCF of 770,7578]/[LCM of 990,1254]= 2/18810
Therefore, the GCF of 770/990,7578/1254 is 2/18810.
To find the highest common factor of 770,7578, we have to find the factors of both numbers and list the highest common factor.
The factors of 770 are 1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770
The factors of 7578 are 1, 2, 3, 6, 9, 18, 421, 842, 1263, 2526, 3789, 7578
The HCF of 770,7578 is 2.
Lets's calculate GCF of 770,7578
| 2 | 770, 7578 |
| 385, 3789 |
∴ So the GCF of the given numbers is 2 = 2
Greatest Common Factor of 770,7578 By Matching Biggest Common Factor Method
Now, list down the factors of 770
:1,2,5,7,10,11,14,22,35,55,70,77,110,154,385,770
Now, list down the factors of 7578
:1,2,3,6,9,18,421,842,1263,2526,3789,7578
Greatest Common Factor
We found the factors 770,7578 . The biggest common factor number is the GCF number.
So the greatest common factor 770,7578 is 2.
Lets's calculate LCM of 990,1254
| 2 | 990, 1254 |
| 3 | 495, 627 |
| 11 | 165, 209 |
| 15, 19 |
∴ So the LCM of the given numbers is 2 x 3 x 11 x 15 x 19 = 18810
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 2/18810
Therefore, the GCF of Fractions 770/990,7578/1254 is 2/18810
Least Common Multiple of 990,1254 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 990,1254 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(990,1254) = 66
common factors(in case of two or more numbers have common factors) = 1
GCF(990,1254) x common factors =66 x 1 = 66
LCM(990,1254) = ( 990 × 1254 ) / 66
LCM(990,1254) = 1241460 / 66
LCM(990,1254) = 18810
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FAQs on GCF of Fractions of 770/990, 7578/1254
1. What is the HCF of 770,7578?
The HCF of 770,7578 is 2
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 770/990, 7578/1254?
Answer: GCF of Numerators as per given numbers 770/990, 7578/1254 is
GCF of Numerators i.e. for 770,7578 is 2
LCM of denominators i.e. for 990,1254 is 18810.
Thus, GCF of Fractions is 2/18810.Finally, GCF of Fractions for 770/990, 7578/1254 is 2/18810.