LCD Rational Expressions

Front

What is the definition of the Least Common Denominator (LCD)?

Back

The Least Common Denominator (LCD) is the smallest multiple that is common to the denominators of two or more fractions.

Front

How do you find the LCD of two fractions?

Back

To find the LCD of two fractions, identify the denominators, find the least common multiple (LCM) of those denominators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

Back

6

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

Back

20x

Tags

CCSS.HSA.APR.D.7

Front

Back

Tags

CCSS.HSA.APR.D.7

Front

What is the LCD of the numbers 3, 1, and 5a?

Back

15a

Tags

CCSS.HSA.APR.D.7

Front

Back

Tags

CCSS.HSA.APR.D.7

Front

What is the relationship between the LCD and adding fractions?

Back

The LCD allows you to add fractions by providing a common denominator, making it possible to combine the numerators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the first step in finding the LCD of multiple fractions?

Back

Identify all the denominators involved in the fractions.

Front

How does the presence of variables in denominators affect finding the LCD?

Back

Variables can increase the complexity of finding the LCD, as you must consider the highest power of each variable present.

Tags

CCSS.HSA.APR.D.7