**This is super easy!**

**Let's just do one:**

**We just multiply straight across...**

**Now, think about it...**

** is like ...**

**Cut a pizza into 10 pieces**

**and look at 9 of the pieces:**

**We want of these **

**That would be 3 pieces. Right?**

**That's !**

**Just what we got by doing the math! Cooooool.**

**Now that we get what's going on, we can just go for it.**

**Here's another one:**