Add.

 $-1.6+\left(-2.4\right)$  

Subtract.


 $-2-\left(-2.5\right)$  

Subtract.


 $-\frac{5}{12}-\frac{3}{10}$  

Subtract.

 $3.8-\left(-7.45\right)$  

Mulitply.


 $-\frac{4}{9}\left(-\frac{7}{9}\right)$  

Multiply.

 $\frac{8}{15}\left(-\frac{2}{3}\right)$  

Multiply.


 $-5.9\left(-9.7\right)$  

Divide.

 $\frac{9}{10}\div\left(-\frac{6}{5}\right)$  

Divide.

 $6.4\div\left(-3.2\right)$  

Divide.

 $-\frac{4}{11}\div\frac{2}{7}$  

LEMONADE You drink  $\frac{2}{7}$  of a pitcher of lemonade.  Your friend drinks  $\frac{3}{14}$  of a pitcher.  

Which expression has the greatest value?