Adding and Subtracting Fractions

Finally, what you've been waiting for - Adding and Subtracting Fractions.

If you've been working your way through Units 1 - 4, and have a good handle on divisibility rules, prime numbers, prime factorization, listing factors, multiples and equivalent fractions you are ready to move on.  If you thought you'd just jump ahead and start here, please at least go back and read the Read Me First page so you will understand why we feel the material you skipped over may be the root cause of the problems you may be having with fractions.

This unit has two sections.

Common Denominators 
Adding And Subtracting Fractions