Albert Teen YOU ARE LEARNING:  Dividing Fractions  # Dividing Fractions ### Dividing Fractions

When you divide fractions, you basically do the opposite of when you multiply them.

Division is the opposite of ______________. 1

This formula shows how you multiply fractions

When you divide fractions, you do the opposite of when you multiply fractions.

What does that mean? 2

When you divide two fractions, what do you do to one of the fractions?  3

Also, what has the division sign turned into?  1

So how do you divide two fractions?

You flip one of the fractions and change the division sign to a multiplication sign. 1

What does the second fraction in this problem become when you flip it?  2

Now that you have flipped one of the fractions, you have to remember to also change the division sign into a _________________ sign.  3

So what is the result here? Give your answer as a fraction.  4

There you have it!

$\frac{3}{7} \div \frac{2}{5} = \frac{15}{14}$ Work out $\frac{4}{9} \div \frac{3}{8}$. Give your answer as a fraction. Work out $\frac{4}{20} \div \frac{5}{10}$. Give your answer as a fully simplified fraction. 1

When you divide fractions, you do the opposite to when you multiply them

You flip one of the fractions and change the division sign to a multiplication sign 2

For example

$\frac{4}{3} \div \frac{5}{3} = \frac{4 \times 3}{3 \times 5}=\frac{12}{15}$ 