1. Remember, a mixed number is just a whole number added to a fraction: …which also equals

2. When you add the mixed numbers… You can either change them both to improper fractions… …or think of it as…

3. Add the 2 + 3 But now we need to change the improper fraction _________________ Then find a common denominator

4. There is another way, too… Wow! That’s a lot harder!

5. Subtracting mixed numbers is about the same, except when the second fraction is larger than the first… _________________ Find a common denominator You can’t take 21 away from 4 so you need to borrow “1”from the whole number “4” “1” whole though is the same as

6. In summary… _________________