Finding LCM, LCD, comparing fractions

Front

What is the least common multiple (LCM)?

Back

The least common multiple (LCM) of two or more numbers is the smallest multiple that is exactly divisible by each of the numbers.

Front

How do you find the LCM of two numbers?

Back

To find the LCM, list the multiples of each number and identify the smallest multiple that appears in both lists.

Front

What is the least common denominator (LCD)?

Back

The least common denominator (LCD) is the smallest number that can be used as a common denominator for two or more fractions.

Front

How do you find the LCD of two fractions?

Back

To find the LCD, determine the LCM of the denominators of the fractions.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is a fraction?

Back

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

How do you compare two fractions?

Back

To compare two fractions, convert them to have a common denominator or convert them to decimal form.

Tags

CCSS.4.NF.A.2

Front

What does it mean for a fraction to be larger?

Back

A fraction is larger if its value is greater than another fraction when both are expressed with the same denominator or in decimal form.

Tags

CCSS.4.NF.A.2

Front

What are multiples?

Back

Multiples of a number are the products of that number and any whole number (e.g., multiples of 6 are 6, 12, 18, 24, etc.).

Front

What is the first multiple of any number?

Back

The first multiple of any number is the number itself.

Front

What is the second multiple of 6?

Back

The second multiple of 6 is 12.