Adding Mixed Numbers with UnLike Denominators Flashcard

Front

What is a mixed number?

Back

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

Tags

CCSS.3.NF.A.3C

Front

How do you add mixed numbers with unlike denominators?

Back

1. Convert the fractions to have a common denominator. 2. Add the whole numbers. 3. Add the fractions. 4. Simplify if necessary.

Tags

CCSS.7.NS.A.1C

Front

What is the first step in adding 7 2/3 and 5 1/3?

Back

Convert the fractions to have a common denominator, which is 3 in this case.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the sum of 7 2/3 and 5 1/3?

Back

12 1/3.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the sum of 6 1/2 and 4 3/4?

Back

11 1/4.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the sum of 10 2/3 and 6 1/3?

Back

17.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the sum of 12 1/2 and 8 3/4?

Back

21 1/4.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the sum of 8 3/4 and 3 1/4?

Back

12.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is a common denominator?

Back

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

Front

Why is it important to have a common denominator when adding fractions?

Back

It allows you to combine the fractions accurately.

Tags

CCSS.7.NS.A.1C