Adding and Subtracting Fractions

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

What is the least common denominator (LCD)?

Back

The least common denominator is the smallest multiple that two or more denominators share.

Front

Back

The least common denominator is 24.

Front

What is a common multiple?

Back

A common multiple is a number that is a multiple of two or more numbers.

Front

How can you find a common denominator?

Back

Find a common multiple for the two denominators.

Front

What does it mean to simplify a fraction?

Back

To simplify a fraction means to reduce it to its lowest terms.

Front

Back

Front

What is the process of adding fractions with different denominators?

Back

Find a common denominator, convert the fractions, and then add the numerators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the first step in subtracting fractions?

Back

Ensure the fractions have a common denominator.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

Back

20.

Tags

CCSS.7.NS.A.3