GCF of 70/38, 913/90, 647/789
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 70/38, 913/90, 647/789 i.e 1/449730 easily. The following is the detailed procedure to determine the greatest common factor of fractions 70/38, 913/90, 647/789.
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 70/38,913/90,647/789?
Given fractions are 70/38,913/90,647/789
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 70/38,913/90,647/789, numerators are 70,913,647
Denominators are 38,90,789
The GCF of 70,913,647 is 1 .
LCM of 38,90,789 is 449730.
The greatest common factor of 70/38,913/90,647/789 = [GCF of 70,913,647]/[LCM of 38,90,789]= 1/449730
Therefore, the GCF of 70/38,913/90,647/789 is 1/449730.
To find the highest common factor of 70,913,647, we have to find the factors of both numbers and list the highest common factor.
The factors of 70 are 1, 2, 5, 7, 10, 14, 35, 70
The factors of 913 are 1, 11, 83, 913
The factors of 647 are 1, 647
The HCF of 70,913,647 is 1.
Lets's calculate GCF of 70,913,647
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 70,913,647 By Matching Biggest Common Factor Method
Now, list down the factors of 70
:1,2,5,7,10,14,35,70
Now, list down the factors of 913
:1,11,83,913
Now, list down the factors of 647
:1,647
Greatest Common Factor
We found the factors 70,913,647 . The biggest common factor number is the GCF number.
So the greatest common factor 70,913,647 is 1.
Lets's calculate LCM of 38,90,789
| 2 | 38, 90, 789 |
| 3 | 19, 45, 789 |
| 19, 15, 263 |
∴ So the LCM of the given numbers is 2 x 3 x 19 x 15 x 263 = 449730
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/449730
Therefore, the GCF of Fractions 70/38,913/90,647/789 is 1/449730
Least Common Multiple of 38,90,789 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 38,90,789 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(38,90,789) = 1
common factors(in case of two or more numbers have common factors) = 6
GCF(38,90,789) x common factors =1 x 6 = 6
LCM(38,90,789) = ( 38 × 90 × 789 ) / 6
LCM(38,90,789) = 2698380 / 6
LCM(38,90,789) = 449730
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FAQs on GCF of Fractions of 70/38, 913/90, 647/789
1. What is the HCF of 70,913,647?
The HCF of 70,913,647 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 70/38, 913/90, 647/789?
Answer: GCF of Numerators as per given numbers 70/38, 913/90, 647/789 is
GCF of Numerators i.e. for 70,913,647 is 1
LCM of denominators i.e. for 38,90,789 is 449730.
Thus, GCF of Fractions is 1/449730.Finally, GCF of Fractions for 70/38, 913/90, 647/789 is 1/449730.