Dividing Fractions

Dividing Fractions

Please write down the steps and the examples on your notes while you complete the lesson.

​How to:

Some text here about the topic of discussion

• Convert mixed numbers to improper fractions

• Rewrite as multiplication by the reciprocal (KEEP first fraction, CHANGE divide to multiply, FLIP second fraction over)

• Simplify by reducing fractions

• Multiply across​

KEEP first fraction

CHANGE​ divide to multiply

FLIP second fraction over​

​

You do not need to write this slide down.

​Example

KEEP first fraction

CHANGE​ divide to multiply

FLIP second fraction over​

​

You do not need to write this slide down.

​Example

Multiple Choice

Which choice correctly rewrites $$\frac{4}{7}\div\frac{5}{9}$$  ?

• $$\frac{4}{7}\div\frac{9}{5}$$  

• $$\frac{7}{4}\div\frac{9}{5}$$  

• $$\frac{4}{7}\times\frac{9}{5}$$  

• $$\frac{7}{4}\times\frac{9}{5}$$  

Multiple Choice

Which choice correctly rewrites $$\frac{1}{8}\div\frac{2}{5}$$  ?

• $$\frac{1}{8}\div\frac{5}{2}$$  

• $$\frac{8}{1}\div\frac{5}{2}$$  

• $$\frac{1}{8}\times\frac{5}{2}$$  

• $$\frac{8}{1}\times\frac{5}{2}$$  

​Please write work for this example in your notes. You do not need to write the words.

Example #1

• KEEP CHANGE FLIP

• Simplify​

• Multiply Across

• Convert to mixed number​

Multiple Choice

What is $$\frac{2}{3}\div\frac{1}{5}$$  ?

• $$\frac{2}{15}$$  

• $$7\frac{1}{2}$$  

• $$3\frac{1}{3}$$  

• $$\frac{3}{10}$$  

​Please write work for this example in your notes. You do not need to write the words.

Example #2

​

• KEEP CHANGE FLIP

• Simplify​

• Multiply Across

• Convert to mixed number​

Multiple Choice

What is $$\frac{3}{7}\div\frac{2}{3}$$  ?

• $$\frac{2}{7}$$  

• $$3\frac{1}{2}$$  

• $$\frac{9}{14}$$  

• $$1\frac{5}{9}$$  

​Please write work for this example in your notes. You do not need to write the words.

Example #3

​

• ​Make whole number a fraction by writing over 1

• KEEP CHANGE FLIP

• Simplify​

• Multiply Across

• Convert to mixed number​

• Positive or negative?​

Multiple Choice

What is $$-\frac{3}{5}\div6$$  ?

• $$-\frac{5}{18}$$  

• $$-\frac{1}{10}$$  

• $$\frac{1}{10}$$  

• $$\frac{5}{18}$$  

​Please write work for this example in your notes. You do not need to write the words.

Example #4

​

• ​Make whole number a fraction by writing over 1

• KEEP CHANGE FLIP

• Simplify​

• Multiply Across

• Convert to mixed number​

• Positive or negative?​

Multiple Choice

What is $$-2\div-\frac{4}{9}$$  ?

• $$4\frac{1}{2}$$  

• $$\frac{8}{9}$$  

• $$1\frac{1}{8}$$  

• $$\frac{2}{9}$$  

​Please write work for this example in your notes. You do not need to write the words.

Example #5

​

• ​Rewrite mixed number as improper fraction

• KEEP CHANGE FLIP

• Simplify​

• Multiply Across

• Convert to mixed number​

• Positive or negative?​

Multiple Choice

What is $$\frac{5}{9}\div-1\frac{1}{4}$$  ?

• $$-\frac{4}{9}$$  

• $$-\frac{25}{36}$$  

• $$-2\frac{1}{4}$$  

• $$-1\frac{11}{25}$$  

​Please write work for this example in your notes. You do not need to write the words.

Example #6

​

• ​Rewrite mixed number as improper fraction

• KEEP CHANGE FLIP

• Simplify​

• Multiply Across

• Positive or negative?​

Multiple Choice

What is $$-2\frac{7}{8}\div-\frac{3}{5}$$  ?

• $$\frac{115}{24}$$  

• $$-\frac{115}{24}$$  

• $$\frac{40}{69}$$  

• $$-\frac{40}{69}$$