Multiplying and Dividing Fractions

Multiplying and Dividing Fractions

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Multiple Select

When multiplying fractions you multiply the ________ and then ___________.

• numerators together

• all numbers together

• denominators together

Poll

Are you ready to try one?

• Yes

• No

Multiple Choice

solve.

 $\frac{2}{3\ }\times\frac{3}{5}\ =$  

•  $\frac{10}{9}$  

•  $\frac{5}{8}$  

•  $\frac{6}{15}$  

Open Ended

Try this word problem...

Pam baked some cupcakes for her friends. She baked 24 cupcakes. Each cupcake is 2/15 of a pound. If she packed 6 cupcakes in each box, what is the weight of each box? 

What is the problem about?
What information is important?
What is the problem asking?

What about dividing fractions?

• Keep change flip strategy

• What if there are like denominators?

Multiple Select

When dividing fractions you...

• flip both

• change the sign to multiply

• keep the first

• flip the second

• keep both the same

Multiple Select

In the following problem, what would you do first?

 $\frac{1}{2}\div\frac{3}{4}$  

• multiply the numerators

• change the sign

• multiply the denominators

• flip the first fraction

• flip the second fraction

Open Ended

Now it's your turn!
Solve.

 $\frac{2}{3}\div\frac{4}{5}$  

Explain your method of solving and provide your answer