GCF of 66/85, 89/21, 783/702
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 66/85, 89/21, 783/702 i.e 1/417690 easily. The following is the detailed procedure to determine the greatest common factor of fractions 66/85, 89/21, 783/702.
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 66/85,89/21,783/702?
Given fractions are 66/85,89/21,783/702
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 66/85,89/21,783/702, numerators are 66,89,783
Denominators are 85,21,702
The GCF of 66,89,783 is 1 .
LCM of 85,21,702 is 417690.
The greatest common factor of 66/85,89/21,783/702 = [GCF of 66,89,783]/[LCM of 85,21,702]= 1/417690
Therefore, the GCF of 66/85,89/21,783/702 is 1/417690.
To find the highest common factor of 66,89,783, we have to find the factors of both numbers and list the highest common factor.
The factors of 66 are 1, 2, 3, 6, 11, 22, 33, 66
The factors of 89 are 1, 89
The factors of 783 are 1, 3, 9, 27, 29, 87, 261, 783
The HCF of 66,89,783 is 1.
Lets's calculate GCF of 66,89,783
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 66,89,783 By Matching Biggest Common Factor Method
Now, list down the factors of 66
:1,2,3,6,11,22,33,66
Now, list down the factors of 89
:1,89
Now, list down the factors of 783
:1,3,9,27,29,87,261,783
Greatest Common Factor
We found the factors 66,89,783 . The biggest common factor number is the GCF number.
So the greatest common factor 66,89,783 is 1.
Lets's calculate LCM of 85,21,702
| 3 | 85, 21, 702 |
| 85, 7, 234 |
∴ So the LCM of the given numbers is 3 x 85 x 7 x 234 = 417690
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/417690
Therefore, the GCF of Fractions 66/85,89/21,783/702 is 1/417690
Least Common Multiple of 85,21,702 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 85,21,702 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(85,21,702) = 1
common factors(in case of two or more numbers have common factors) = 3
GCF(85,21,702) x common factors =1 x 3 = 3
LCM(85,21,702) = ( 85 × 21 × 702 ) / 3
LCM(85,21,702) = 1253070 / 3
LCM(85,21,702) = 417690
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FAQs on GCF of Fractions of 66/85, 89/21, 783/702
1. What is the HCF of 66,89,783?
The HCF of 66,89,783 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 66/85, 89/21, 783/702?
Answer: GCF of Numerators as per given numbers 66/85, 89/21, 783/702 is
GCF of Numerators i.e. for 66,89,783 is 1
LCM of denominators i.e. for 85,21,702 is 417690.
Thus, GCF of Fractions is 1/417690.Finally, GCF of Fractions for 66/85, 89/21, 783/702 is 1/417690.