GCF of 90/688, 60/786, 843/813
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 90/688, 60/786, 843/813 i.e 3/73274064 easily. The following is the detailed procedure to determine the greatest common factor of fractions 90/688, 60/786, 843/813.
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 90/688,60/786,843/813?
Given fractions are 90/688,60/786,843/813
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 90/688,60/786,843/813, numerators are 90,60,843
Denominators are 688,786,813
The GCF of 90,60,843 is 3 .
LCM of 688,786,813 is 73274064.
The greatest common factor of 90/688,60/786,843/813 = [GCF of 90,60,843]/[LCM of 688,786,813]= 3/73274064
Therefore, the GCF of 90/688,60/786,843/813 is 3/73274064.
To find the highest common factor of 90,60,843, we have to find the factors of both numbers and list the highest common factor.
The factors of 90 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90
The factors of 60 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
The factors of 843 are 1, 3, 281, 843
The HCF of 90,60,843 is 3.
Lets's calculate GCF of 90,60,843
| 3 | 90, 60, 843 |
| 30, 20, 281 |
∴ So the GCF of the given numbers is 3 = 3
Greatest Common Factor of 90,60,843 By Matching Biggest Common Factor Method
Now, list down the factors of 90
:1,2,3,5,6,9,10,15,18,30,45,90
Now, list down the factors of 60
:1,2,3,4,5,6,10,12,15,20,30,60
Now, list down the factors of 843
:1,3,281,843
Greatest Common Factor
We found the factors 90,60,843 . The biggest common factor number is the GCF number.
So the greatest common factor 90,60,843 is 3.
Lets's calculate LCM of 688,786,813
| 2 | 688, 786, 813 |
| 3 | 344, 393, 813 |
| 344, 131, 271 |
∴ So the LCM of the given numbers is 2 x 3 x 344 x 131 x 271 = 73274064
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 3/73274064
Therefore, the GCF of Fractions 90/688,60/786,843/813 is 3/73274064
Least Common Multiple of 688,786,813 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 688,786,813 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(688,786,813) = 1
common factors(in case of two or more numbers have common factors) = 6
GCF(688,786,813) x common factors =1 x 6 = 6
LCM(688,786,813) = ( 688 × 786 × 813 ) / 6
LCM(688,786,813) = 439644384 / 6
LCM(688,786,813) = 73274064
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FAQs on GCF of Fractions of 90/688, 60/786, 843/813
1. What is the HCF of 90,60,843?
The HCF of 90,60,843 is 3
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 90/688, 60/786, 843/813?
Answer: GCF of Numerators as per given numbers 90/688, 60/786, 843/813 is
GCF of Numerators i.e. for 90,60,843 is 3
LCM of denominators i.e. for 688,786,813 is 73274064.
Thus, GCF of Fractions is 3/73274064.Finally, GCF of Fractions for 90/688, 60/786, 843/813 is 3/73274064.