# Question: What Is Lcd In Mathematics?

## What is the LCD of 1 3 and 2 7?

Therefore, the least common denominator ( LCD ) is 21.

## What is the LCD of 12 and 9?

Your common denominator would be 36. Another way to find this would be to multiply each fraction by the other fractions denominator.

## What is the LCD of 3 and 6?

3, 6, 9, 12, 15, 18, 21, The answer is 6, and that is the Least Common Denominator. So let us try using it!

## What is the LCD of 4 and 6?

A common denominator is a denominator that you can reach by both denominators. For example in the problem 3/ 4 + 5/ 6 a common denominator is 12 because it is the lowest number that both 4 and 6 can reach by multiplying with whole numbers. Thanks for reading hope it helps!

## What is the LCD of 3 and 7?

Least common multiple (LCM) of 3 and 7 is 21.

## What is the LCD of 7 and 4?

Answer: LCM of 4 and 7 is 28.

## What is the LCD of 5 8?

For the denominators ( 5, 1, 8 ) the least common multiple (LCM) is 40. Therefore, the least common denominator ( LCD ) is 40.

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## What is the LCD of 7 and 9?

63 is the least common multiple of 7 and 9.

## What is the LCD of 15 and 20?

Step 4: Therefore, the least common multiple of 15 and 20 is 60.

## What is the GCF of 12 and 9?

The biggest common factor number is the GCF number. So the greatest common factor 9 and 12 is 3. 