#### Transcript of Multiplying Fractions

Steps to Multiplying Fractions

Ideas

Ideas

**Multiplying Fractions**

Yes, you CAN!

Construct array models (area models) to represent fractional multiplication.

Simplify fractions, if needed.

Recall the steps to multiply fractions.

Terms to Know

Numerator: The number of parts of the whole; also the top number of a fraction.

Denominator: The total number of equal parts; also the bottom number of a fraction.

Simplify: To reduce to lowest terms by canceling the lowest common factor.

Array model (area model): A model of multiplication that shows the product within a rectangle drawing.

Multiplying Fractions

Step 1

Step 3

Simplify the product, if needed.

Whiteboard Review

Numerator

Denominator

Numerator

Denominator

Multiply the numerators.

2

3

1

2

2

Step 2

Multiply the denominators.

2

**3**

**1**

**2**

**2**

6

How would you simplify :

2

6

Find the Greatest Common Factor (GCF) of the numerator and denominator. It's the GREATEST number!

2

6

.

.

2

.

.

2

1

3

1 2

8 3

x

=

3 7

4 8

x

=

I can multiply fractions by using array models (area models)!

At the Memphis Zoo, an animal trainer went on break.

He had of a sandwich and decided to give of the

to Mona, the monkey. What fraction of the whole

sandwich did the animal trainer give Mona?

1

2

1

2

Group Activity

A recipe makes soft pretzels. If your group sprinkles Parmesan cheese as a topping over of the baked pretzels, how many cheese pretzels will your group make?

1. Solve. Simplify, if needed.

2.Create an array model to verify your answer.

3. Group Representative.

Memphis Zoo World Problem

Array Model:

12

2

3

1

2

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