Adding and Subtracting Fractions with unlike denominators( TM)

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 the denominator of a fraction represent?

Back

The denominator indicates how many equal parts the whole is divided into.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What does the numerator of a fraction represent?

Back

The numerator shows how many parts of the whole are being considered.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is an unlike denominator?

Back

Unlike denominators are denominators that are not the same in two or more fractions.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

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

Back

The least common denominator is the smallest multiple that both denominators share.

Front

What is the first step in adding or subtracting fractions with unlike denominators?

Back

Find the least common denominator (LCD) for the fractions.

Tags

CCSS.7.NS.A.1C

Front

What do you do after finding the least common denominator?

Back

Convert each fraction to an equivalent fraction with the least common denominator.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

When adding fractions, what do you do with the denominators?

Back

The denominators remain the same after finding the least common denominator.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

When subtracting fractions, what do you do with the denominators?

Back

The denominators remain the same after finding the least common denominator.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the rule for adding or subtracting fractions?

Back

You add or subtract the numerators and keep the denominator the same.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D