answersLogoWhite

0


Best Answer

You use them when there are 2 fractions with different denominators.

User Avatar

Wiki User

12y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: When do you have to use the common denominators?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

What way is subracting fractions with unlike denominators like adding fractions with unlike denominators?

If the denominators are not the same, then you have to use equivalent fractions which do have a common denominator . To do this, you need to find the least common multiple (LCM) of the two denominators.


When adding fractions with unlike denominators it is most helpful if the fractions are renamed using the?

If the denominators are not the same, then you have to use equivalent fractions which do have a common denominator . To do this, you need to find the least common multiple (LCM) of the two denominators. To add fractions with unlike denominators, rename the fractions with a common denominator.


How are common multiples and common denominators the same and different?

Common multiples and common denominators can be found using the same process. They differ in their function. Common denominators are common multiples that are functioning as denominators.


How are common denominator and common multiple alike?

Well, isn't that just a happy little question! Common denominators and common multiples are like two peas in a pod. They both involve finding numbers that can be divided evenly by two or more denominators or multiples, bringing harmony to your math problems. Just like when you mix your colors on the palette to create a beautiful painting, finding common denominators and multiples helps bring balance to your equations.


How many common denominators any two fractions have?

There are an unlimited number of common denominators if you want to use ridiculously large numbers. There is ONLY ONE Least Common Denominator (LCD, LCM).


Is the least common multiple of the denominators?

The least common denominator is the least common multiple of the denominators.


How do you write fractions with common denominators?

multiply the denominators


Why do you not use common denominators while multiplying fractions?

probably to multiply easier


What is the common multiple of the denominators?

The least common multiple of the denominators is knows as the LCD or least common denominator.


What do naracoorte yarrangobilly jenolen wombean have in common?

Denominators. This is where the term, common denominators comes from.


Fractions with unlike denominators and no common factors to have common denominators?

Multiply them by each other.


How are common denominator any common multiple alike?

Common denominators are created by finding the common multiples of unlike denominators.