Multiplying and Dividing Fractions with Mixed Numbers

Multiplying and Dividing Fractions with Mixed Numbers

By Super Salazar

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Why do we need to know this?

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How do we do it?

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​2 3/4 x 3 6/8​

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Let's Do One Together

Poll

How are you feeling so far about multiplying mixed numbers?

Multiple Choice

$$1\ \frac{2}{4}\ \times\ \ 3\ \frac{5}{6}\ =\ ?\ in\ simplest\ form$$  

• 4 7/10

• 5 3/4

• 4 10/24

• 5 1/2

Multiple Choice

$$1\ \frac{1}{6}\ \ \times\ \ 2\ \frac{6}{12}$$   Put answers in simplest form

• $$2\ \frac{11}{12}$$  

• $$3\ \frac{5}{12}$$  

• $$3\ \frac{6}{72}$$  

• $$2\ \frac{6}{72}$$  

Fill in the Blank

$$2\ \frac{1}{2}\ X\ \ 3\ \frac{4}{5}\ =$$  In simplest form

​Some text here about the topic of discussion.

Dividing Mixed Numbers

Let's try one

2 1/2 ÷ 1 3/4 = ?

Multiple Choice

$$9\ \frac{2}{5}\ \div\ 1\ \frac{1}{3}\ =\ ?\ in\ simplest\ form$$  

• $$7\ \frac{1}{20}$$  

• $$8\ \frac{4}{5}$$  

Multiple Choice

$$1\ \frac{1}{3}\ \div\ \frac{2}{3}\ =\ in\ simplest\ form$$  

• 2

• 8/3

• 12/9

• 1 1/4

Open Ended

$$1\ \frac{2}{10}\ \div\ 1\ \frac{4}{10}\ =\ ?\ in\ simplest\ form$$  

Fill in the Blank

On Wednesday the farmers at the Webster Farm picked 2/3 of a barrel of tomatoes. Thursday, the farmers picked 3/4 as many tomatoes as on Wednesday. How many barrels of tomatoes did the farmers pick on Thursday?

Multiple Choice

Grady decided to run every day to keep himself healthy. He ended up running 3/5 of a kilometer every day. How much did he run in a week?

• 2 km

• $$3\ \frac{1}{5}\ km$$  

• $$4\ \frac{1}{5}\ km$$  

• $$4\ \frac{1}{2}\ km$$  

Multiple Choice

Ari buys 3 Barbie dolls to gift her little cousins. If she uses 2/3 of a roll of gift wrap to pack the dolls, what fraction of the gift wrap does she use to pack each doll?

• 4/9

• 2/9

• 8/9

• 1/9

Multiple Choice

Benson uses 9/4 cups of sugar to make 9 mugs of brownies. How much sugar is required to make one brownie?

• 1/2 of a cup

• 1/4 of a cup