GCF of 1989/770, 3330/7489
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 1989/770, 3330/7489 i.e 9/5766530 easily. The following is the detailed procedure to determine the greatest common factor of fractions 1989/770, 3330/7489.
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 1989/770,3330/7489?
Given fractions are 1989/770,3330/7489
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 1989/770,3330/7489, numerators are 1989,3330
Denominators are 770,7489
The GCF of 1989,3330 is 9 .
LCM of 770,7489 is 5766530.
The greatest common factor of 1989/770,3330/7489 = [GCF of 1989,3330]/[LCM of 770,7489]= 9/5766530
Therefore, the GCF of 1989/770,3330/7489 is 9/5766530.
To find the highest common factor of 1989,3330, we have to find the factors of both numbers and list the highest common factor.
The factors of 1989 are 1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989
The factors of 3330 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 74, 90, 111, 185, 222, 333, 370, 555, 666, 1110, 1665, 3330
The HCF of 1989,3330 is 9.
Lets's calculate GCF of 1989,3330
| 3 | 1989, 3330 |
| 3 | 663, 1110 |
| 221, 370 |
∴ So the GCF of the given numbers is 3 x 3 = 9
Greatest Common Factor of 1989,3330 By Matching Biggest Common Factor Method
Now, list down the factors of 1989
:1,3,9,13,17,39,51,117,153,221,663,1989
Now, list down the factors of 3330
:1,2,3,5,6,9,10,15,18,30,37,45,74,90,111,185,222,333,370,555,666,1110,1665,3330
Greatest Common Factor
We found the factors 1989,3330 . The biggest common factor number is the GCF number.
So the greatest common factor 1989,3330 is 9.
Lets's calculate LCM of 770,7489
Given numbers has no common factors except 1. So, there LCM is their product i.e 5766530
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 9/5766530
Therefore, the GCF of Fractions 1989/770,3330/7489 is 9/5766530
Least Common Multiple of 770,7489 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 770,7489 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(770,7489) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(770,7489) x common factors =1 x 1 = 1
LCM(770,7489) = ( 770 × 7489 ) / 1
LCM(770,7489) = 5766530 / 1
LCM(770,7489) = 5766530
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FAQs on GCF of Fractions of 1989/770, 3330/7489
1. What is the HCF of 1989,3330?
The HCF of 1989,3330 is 9
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 1989/770, 3330/7489?
Answer: GCF of Numerators as per given numbers 1989/770, 3330/7489 is
GCF of Numerators i.e. for 1989,3330 is 9
LCM of denominators i.e. for 770,7489 is 5766530.
Thus, GCF of Fractions is 9/5766530.Finally, GCF of Fractions for 1989/770, 3330/7489 is 9/5766530.