GCF of 420/668, 607/990
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 420/668, 607/990 i.e 1/330660 easily. The following is the detailed procedure to determine the greatest common factor of fractions 420/668, 607/990.
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 420/668,607/990?
Given fractions are 420/668,607/990
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 420/668,607/990, numerators are 420,607
Denominators are 668,990
The GCF of 420,607 is 1 .
LCM of 668,990 is 330660.
The greatest common factor of 420/668,607/990 = [GCF of 420,607]/[LCM of 668,990]= 1/330660
Therefore, the GCF of 420/668,607/990 is 1/330660.
To find the highest common factor of 420,607, we have to find the factors of both numbers and list the highest common factor.
The factors of 420 are 1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420
The factors of 607 are 1, 607
The HCF of 420,607 is 1.
Lets's calculate GCF of 420,607
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 420,607 By Matching Biggest Common Factor Method
Now, list down the factors of 420
:1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420
Now, list down the factors of 607
:1,607
Greatest Common Factor
We found the factors 420,607 . The biggest common factor number is the GCF number.
So the greatest common factor 420,607 is 1.
Lets's calculate LCM of 668,990
| 2 | 668, 990 |
| 334, 495 |
∴ So the LCM of the given numbers is 2 x 334 x 495 = 330660
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/330660
Therefore, the GCF of Fractions 420/668,607/990 is 1/330660
Least Common Multiple of 668,990 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 668,990 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(668,990) = 2
common factors(in case of two or more numbers have common factors) = 1
GCF(668,990) x common factors =2 x 1 = 2
LCM(668,990) = ( 668 × 990 ) / 2
LCM(668,990) = 661320 / 2
LCM(668,990) = 330660
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FAQs on GCF of Fractions of 420/668, 607/990
1. What is the HCF of 420,607?
The HCF of 420,607 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 420/668, 607/990?
Answer: GCF of Numerators as per given numbers 420/668, 607/990 is
GCF of Numerators i.e. for 420,607 is 1
LCM of denominators i.e. for 668,990 is 330660.
Thus, GCF of Fractions is 1/330660.Finally, GCF of Fractions for 420/668, 607/990 is 1/330660.