How do you use equivalent fractions to subtract fractions and mixed numbers

with unlike denominators?

For example, what is 1 - ?

In this lesson you will learn how to use equivalent fractions to subtract unlike fractions and

mixed numbers by using a number line.

Let’s ReviewLet’s Review

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910

610

Let’s ReviewA Common Mistake

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910

610

Let’s ReviewCore Lesson

What is 1 - ?

1

12

Let’s ReviewCore Lesson What is 1 - ?

1

12

= 1 =

=

remaining

Let’s ReviewCore Lesson What is 1 - ?

0

0

0

1

1

1

2

2

2

1

=

=

-

=

In this lesson you have learned how to use equivalent fractions to subtract unlike fractions and

mixed numbers by using a number line.

Let’s ReviewGuided Practice Subtract from 2

0

0

0

1

1

1

2

2

2

3

3

3

=

2 =

-

=

Let’s ReviewExtension Activities

Create a subtraction fraction problem using mixed numbers. Solve the problem and model your answer using number lines.

Create a subtraction fraction problem using mixed numbers. Solve the problem and model your answer using fraction bars and number lines.

Write out your reasoning for your solutions.

Let’s ReviewQuick Quiz

Subtract from 2

Subtract 1 from 2