LCD

Front

What does LCD stand for?

Back

LCD stands for Least Common Denominator.

Front

What is the purpose of finding the LCD?

Back

The purpose of finding the LCD is to simplify the process of adding or subtracting fractions with different denominators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

How do you find the LCD of two fractions?

Back

To find the LCD of two fractions, list the multiples of each denominator and find the smallest multiple that they have in common.

Front

What is a denominator?

Back

A denominator is the bottom number in a fraction that indicates how many equal parts the whole is divided into.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is a fraction?

Back

A fraction represents a part of a whole and consists of a numerator (top number) and a denominator (bottom number).

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

Can you give an example of finding the LCD for 1/4 and 1/6?

Back

The multiples of 4 are 4, 8, 12, 16, ... and the multiples of 6 are 6, 12, 18, ... The LCD is 12.

Front

What is the first step in adding fractions with different denominators?

Back

The first step is to find the least common denominator (LCD) of the fractions.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What happens if you don't find the LCD when adding fractions?

Back

If you don't find the LCD, you cannot accurately add the fractions because they need to have the same denominator.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is an example of a fraction with a denominator of 5?

Back

An example is 3/5, where 3 is the numerator and 5 is the denominator.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is the relationship between the numerator and denominator in a fraction?

Back

The numerator represents how many parts you have, while the denominator represents how many equal parts the whole is divided into.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B