multiplying mixed numbers

 $576\times21$  

 $5\ \frac{3}{7}\times3\ \frac{4}{6}$  

 $2\ \frac{2}{4}\times1\frac{3}{5}$  

Multiply.

• 18 4/14
• 23
• 18 2/7
• 322/14

Multiply. 

• 12 5/6
• 77/6
• 6/77
• 12 6/5

Look at the 12 & 6, what can we cross-simplify by?

• 1, you can't cross-simplify

• 2

• 3

• 6

Multiply. 

• 19/5
• 23 4/5
• 18 4/10
• 18 2/5

Multiply. 

• 36 3/4
• 147/4
• 32 3/20
• 3 1/2

Convert to an improper fraction.

• 5/2
• 5/4
• 2/3
• 25/2

Multiply.

• 85/6
• 10 2/6
• 14 1/6
• 10 1/3