Fraction operations
Addition, Subtraction, Multiplication, Division
It's easy! (sorry for sideways)
Subtracting fractions
Subtraction
I can't believe it's that easy!
Addition
"Amazingly easy!"
-Tyler Frederick
Multiplication
"Easier than everything I've ever seen"
-New York Times
http://www.youtube.com/watch?v=-ymvu5nfvzc