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 does it mean to add fractions?

Back

Adding fractions involves combining two or more fractions to find a total. To add fractions, they must have a common denominator.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What does it mean to subtract fractions?

Back

Subtracting fractions involves finding the difference between two fractions. Like addition, they must have a common denominator.

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, allowing them to be added or subtracted.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

How do you find the least common denominator (LCD)?

Back

The least common denominator is the smallest multiple that is common to the denominators of the fractions involved.

Front

What is the first step in adding or subtracting fractions?

Back

The first step is to find a common denominator for the fractions.

Tags

CCSS.7.NS.A.1C

Front

What is the result of 1/2 + 1/4?

Back

3/4

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the result of 3/5 - 1/5?

Back

2/5

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the result of 2/3 + 1/6?

Back

5/6

Tags

CCSS.7.NS.A.1C

Front

What is the result of 5/8 - 1/4?

Back

3/8

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2