Make use of LCD Calculator to determine the Least Common Denominator of 84, 40, 60 i.e. 840 smallest integer divisible by all numbers.

LCD of 84, 40, 60 is 840

LCD(84, 40, 60) = 840

**Ex:** 10, 15, 20 (or) 24, 48, 96,45 (or) 78902, 89765, 12345

LCD of numbers 84, 40, 60 is 840

LCD(84, 40, 60) = 840

Arrange the Inputs 84,40,60 in a horizontal line separated by commas and divide them with a prime number. Note the quotients in the next row and divide with quotients with prime numbers again. Continue the process until you have all co primes in the last.

2 | 84, 40, 60 |

2 | 42, 20, 30 |

3 | 21, 10, 15 |

5 | 7, 10, 5 |

7, 2, 1 |

As all the numbers left in the last row are co primes you need not do the common division process further.

To obtain the Least Common Denominator, multiply the prime numbers with which you have divided the given numbers and the co primes in the last row i.e. 2 x 2 x 3 x 5 x 7 x 2 x 1 = 840

Therefore, LCD of 84,40,60 is 840

**Step1:**

Let's calculate the LCD of first two numbers

The formula of **LCD** is LCD(a,b) = ( a x b) / GCF(a,b)

GCF(84, 40) = 4

LCD(84, 40) = ( 84 x 40 ) / 4

LCD(84, 40) = 3360 / 4

LCD(84, 40) = 840

**Step2:**

Here we consider the LCD from the above i.e. 840 as first number and the next as 60

The formula of **LCD** is LCD(a,b) = ( a x b) / GCF(a,b)

GCF(840, 60) = 60

LCD(840, 60) = ( 840 x 60 ) / 60

LCD(840, 60) = 50400 / 60

LCD(840, 60) = 840

LCD of 84,40,60 is 840

Here are some samples of LCD of Numbers calculations.

**1. What is the LCD of 84, 40, 60?**

Answer: LCD of 84, 40, 60 is 840.

**2. How to find LCD of 84, 40, 60 on a calculator?**

Answer: You can find LCD of 84, 40, 60 by simply giving the inputs in the input field and clicking on the Calculator button next to it to get the concerned Least Common Denominator.

**3. How to Find the LCD of 84, 40, 60?**

Least Common Denominator of 84, 40, 60.

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors with last row quotient of common division that is LCD(84, 40, 60) = 840.