Lesson 2.3 Quick Check

What is the GCF of 24 and 64?

What is the GCF of 20 and 70?

What is 4/9 x 4/5 in simplest form?

What is 1/6 x 2/3 in simplest form?

What is 4 1/7 x 3 1/9?

 $\frac{1}{4}\times\left(\frac{3}{9}\ +\ 5\right)$  

 $\frac{9}{10}-\frac{3}{5}\ \times\ \frac{1}{2}$  

 $\frac{4}{5}+\left(\frac{1}{2}-\frac{3}{7}\right)\ \times2$  

 $15\ \times\ \frac{3}{10}+\frac{7}{8}$  

5/6 of the 90 pets in the pet show are cats. 4/5 of the cats are Calico cats. What fraction of the pets are Calico cats?