Adding and Subtracting Fractions with Like Denominators

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 have like denominators?

Back

Like denominators are when two or more fractions have the same bottom number (denominator).

Tags

CCSS.4.NF.A.1

CCSS.5.NF.B.5B

Front

How do you add fractions with like denominators?

Back

To add fractions with like denominators, keep the denominator the same and add the numerators.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

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 subtract fractions with like denominators?

Back

To subtract fractions with like denominators, keep the denominator the same and subtract the numerators.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What does it mean to simplify a fraction?

Back

To simplify a fraction means to reduce it to its simplest form, where the numerator and denominator have no common factors other than 1.

Front

What is the first step in adding mixed numbers?

Back

The first step is to add the whole numbers together and then add the fractions.

Tags

CCSS.7.NS.A.1C

Front

What is the first step in subtracting mixed numbers?

Back

The first step is to subtract the whole numbers and then subtract the fractions.

Tags

CCSS.7.NS.A.1C

Front

What is an example of adding two fractions with like denominators?

Back

Example: 1/4 + 2/4 = 3/4.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is an example of subtracting two fractions with like denominators?

Back

Example: 3/5 - 1/5 = 2/5.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D