Adding Mixed Numbers (Like and Unlike Denominators)

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a fraction, such as 3 1/2.

Tags

CCSS.3.NF.A.3C

Front

How do you add mixed numbers with like denominators?

Back

Add the whole numbers together and then add the fractions. For example, 2 1/4 + 1 1/4 = 3 2/4, which simplifies to 3 1/2.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What are like denominators?

Back

Like denominators are denominators that are the same in two or more fractions.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What are unlike denominators?

Back

Unlike denominators are denominators that are different in two or more fractions.

Front

How do you add mixed numbers with unlike denominators?

Back

First, find a common denominator, convert the fractions, then add the whole numbers and the fractions.

Tags

CCSS.7.NS.A.1C

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions.

Front

What is the first step in adding fractions?

Back

The first step is to ensure the fractions have a common denominator.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the numerator in a fraction?

Back

The numerator is the top number of a fraction that indicates how many parts are being considered.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is the denominator in a fraction?

Back

The denominator is the bottom number of 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 the sum of 3 1/4 and 2 1/4?

Back

The sum is 5 1/2.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D