In $\frac{2}{5}\times\frac{3}{5}=\frac{N}{25}$ , 

what must be the value of N to make the equation correct?

 What is $1\frac{1}{3}\times\frac{2}{5}$ equals to?

If I multiply $\frac{3}{4}$ to  $1\frac{1}{2}$  , what will I get?

There was  $\frac{4}{5}$  of a cake left after the party. Joshua ate  $\frac{3}{4}$  of the leftover cake. How much of a cake did he have? 

Jace baked some cupcakes for his friends. Each cupcake is $\frac{3}{8}$   pound. If she will bake 6 cupcakes, what is the total weight of 6 cupcakes? 

There are  $2\frac{3}{5}$  pounds of salt in the kitchen. Mrs. Pob used  $\frac{1}{5}$  pound of the salt when she was preparing lunch. How much salt did she use?