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 means combining the parts represented by the fractions to find a total.

Tags

CCSS.4.NF.B.3A

Front

How do you add fractions with the same denominator?

Back

When adding fractions with the same denominator, keep the denominator the same and add the numerators.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the sum of 1/3 + 1/3?

Back

2/3

Tags

CCSS.4.NF.B.3A

Front

How do you add fractions with different denominators?

Back

To add fractions with different denominators, 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 a common denominator?

Back

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

Front

What is the sum of 4/5 + 3/20?

Back

17/20

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the sum of 5/6 + 4/6?

Back

9/6 or 3/2 or 1 1/2.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What does it mean to simplify a fraction?

Back

Simplifying a fraction means reducing it to its lowest terms by dividing the numerator and denominator by their greatest common factor.

Front

What is the sum of 2/6 + 2/6 in simplest form?

Back

2/3

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D