GCF of 870/88, 278/90, 698/28
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 870/88, 278/90, 698/28 i.e 2/27720 easily. The following is the detailed procedure to determine the greatest common factor of fractions 870/88, 278/90, 698/28.
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 870/88,278/90,698/28?
Given fractions are 870/88,278/90,698/28
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 870/88,278/90,698/28, numerators are 870,278,698
Denominators are 88,90,28
The GCF of 870,278,698 is 2 .
LCM of 88,90,28 is 27720.
The greatest common factor of 870/88,278/90,698/28 = [GCF of 870,278,698]/[LCM of 88,90,28]= 2/27720
Therefore, the GCF of 870/88,278/90,698/28 is 2/27720.
To find the highest common factor of 870,278,698, we have to find the factors of both numbers and list the highest common factor.
The factors of 870 are 1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870
The factors of 278 are 1, 2, 139, 278
The factors of 698 are 1, 2, 349, 698
The HCF of 870,278,698 is 2.
Lets's calculate GCF of 870,278,698
| 2 | 870, 278, 698 |
| 435, 139, 349 |
∴ So the GCF of the given numbers is 2 = 2
Greatest Common Factor of 870,278,698 By Matching Biggest Common Factor Method
Now, list down the factors of 870
:1,2,3,5,6,10,15,29,30,58,87,145,174,290,435,870
Now, list down the factors of 278
:1,2,139,278
Now, list down the factors of 698
:1,2,349,698
Greatest Common Factor
We found the factors 870,278,698 . The biggest common factor number is the GCF number.
So the greatest common factor 870,278,698 is 2.
Lets's calculate LCM of 88,90,28
| 2 | 88, 90, 28 |
| 2 | 44, 45, 14 |
| 22, 45, 7 |
∴ So the LCM of the given numbers is 2 x 2 x 22 x 45 x 7 = 27720
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 2/27720
Therefore, the GCF of Fractions 870/88,278/90,698/28 is 2/27720
Least Common Multiple of 88,90,28 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 88,90,28 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(88,90,28) = 2
common factors(in case of two or more numbers have common factors) = 4
GCF(88,90,28) x common factors =2 x 4 = 8
LCM(88,90,28) = ( 88 × 90 × 28 ) / 8
LCM(88,90,28) = 221760 / 8
LCM(88,90,28) = 27720
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FAQs on GCF of Fractions of 870/88, 278/90, 698/28
1. What is the HCF of 870,278,698?
The HCF of 870,278,698 is 2
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 870/88, 278/90, 698/28?
Answer: GCF of Numerators as per given numbers 870/88, 278/90, 698/28 is
GCF of Numerators i.e. for 870,278,698 is 2
LCM of denominators i.e. for 88,90,28 is 27720.
Thus, GCF of Fractions is 2/27720.Finally, GCF of Fractions for 870/88, 278/90, 698/28 is 2/27720.