Least Common Multiple of 81/77, 78/72, 10/38, 78/791

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023

Know Least Common Multiple of fractions 81/77, 78/72, 10/38, 78/791 quickly i.e. 10530 the smallest number that is divisible by all numbers by taking the help of LCM of Fractions Calculator.

Least Common Multiple (LCM) of 81/77, 78/72, 10/38, 78/791 is 10530.

LCM(81/77, 78/72, 10/38, 78/791) = 10530

LCM of 81/77, 78/72, 10/38, 78/791

Enter two or more fractions separated by "commas"

Ex: 2/3, 5/7 or 3/5, 5/9, 7/3

LCM of:

Least Common Multiple of 81/77,78/72,10/38,78/791

Given numbers are 81/77,78/72,10/38,78/791

Formula to find LCM of Fractions is

LCM = LCM of Numerators/GCF of Denominators

As per the formula LCM of Fractions let’s split into two parts and find the LCM of Numerators and GCF of Denominators

In the given fractions LCM of Numerators means LCM of 81,78,10,78

Least Common Multiple of Numerators i.e. LCM of 81,78,10,78 is 10530.

GCF of Denominators means GCF of 77,72,38,791 as per the given fractions.

GCF of 77,72,38,791 is 1 as it is the largest common factor for these numbers.

Lets's calculate LCM of 81,78,10,78

LCM of Fractions 81/77,78/72,10/38,78/791 is 10530

2 81, 78, 10, 78
3 81, 39, 5, 39
13 27, 13, 5, 13
27, 1, 5, 1

∴ So the LCM of the given numbers is 2 x 3 x 13 x 27 x 1 x 5 x 1 = 10530

Least Common Multiple of 81,78,10,78 with GCF Formula

Least Common Multiple of 81,78,10,78 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 81,78,10,78 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(81,78,10,78) = 1

common factors(in case of two or more numbers have common factors) = 468

GCF(81,78,10,78) x common factors =1 x 468 = 468

LCM(81,78,10,78) = ( 81 × 78 × 10 × 78 ) / 468

LCM(81,78,10,78) = 4928040 / 468

LCM(81,78,10,78) = 10530


Lets's calculate GCF of 77,72,38,791

∴ So GCF of numbers is 1 because of no common factors present between them.

Thus LCM of Fractions = LCM of Numerators/GCF of Denominators = 10530/1

Therefore the LCM of Fractions 81/77,78/72,10/38,78/791 is 10530

Greatest Common Factor of 77,72,38,791 By Matching Biggest Common Factor Method

Greatest Common Factor of 77,72,38,791 By Matching Biggest Common Factor Method

Factors of 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 38

List of positive integer factors of 38 that divides 38 without a remainder.

1,2,19,38

Factors of 791

List of positive integer factors of 791 that divides 791 without a remainder.

1,7,113,791

Greatest Common Factor

We found the factors 77,72,38,791 . The biggest common factor number is the GCF number.
So the greatest common factor 77,72,38,791 is 1.


LCM of Fractions Calculation Examples

Here are some samples of LCM of Fractions calculations.

LCM of Fractions Calculation Examples

Here are some samples of LCM of Fractions calculations.

Frequently Asked Questions on Fractional LCM of 81/77, 78/72, 10/38, 78/791

1. How to find LCM in Fractions?

Answer: LCM of fractions can be found using the simple formula LCM of Fractions = LCM of Numerators/GCF of Denominators.

2. What is the LCM of Fractions for 81/77, 78/72, 10/38, 78/791?

Answer: LCM of Numerators as per given numbers 81/77, 78/72, 10/38, 78/791 is

LCM of Numerators i.e. for 81,78,10,78 is 10530

GCF of denominators i.e. for 77,72,38,791 is 1.

Thus, LCM of Fractions is 10530.Finally, LCM of Fractions for 81/77, 78/72, 10/38, 78/791 is 10530.