Multiplying and Dividing Fractions

$$3\ \frac{1}{4\ }\cdot\frac{1}{5\ }$$  

  $$\frac{8}{11\ }\cdot\frac{3}{4}$$  

(a)  

$$2\ \frac{1}{2}\cdot4\ \frac{1}{2}$$  

Gwen and Ali worked together on an art project for 2 and 7/10 hours.  It took Emmarie 1 and 1/4  times as long to complete her project alone.  How long did Emmarie work on her project?

A construction worker has 6 and 3/4 feet of pipe.  How many pieces of pipe can he cut if each piece needs to be 3/8 foot in length?

$$1\ \frac{1}{4\ }\div\frac{2}{3}$$  

$$1\ \frac{7}{10\ }\div3\ \frac{1}{3}$$  

$$\frac{1}{2\ }\cdot\ \frac{3}{4}$$  

(a)  

$$1\ \frac{1}{2\ }\cdot\ \frac{3}{4}$$  

(a)  

$$1\ \frac{1}{2}\cdot\ 1\ \frac{3}{4}$$  

(a)