Who Wants Pizza? - Part 6

This time let's multiply 3/4 X 2/5. That means take 3/4 of 2/5. So let's first draw 2/5.

         

Red is 2/5 of the square.


         
         
         
         

Yellow is 3/4 of 2/5.

That means Yellow is 6/20 . . .


         
         

or 3/10 of the whole square.


Let's show the multiplication again.

3

4
x 2

5
= 6

20
= 3

10

 
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lanius@math.rice.edu