Subtracting and Dividing Fractions

Subtracting Fractions:

Common Denominator:

http://www.khanacademy.org/math/arithmetic/fractions/v/subtracting--fractions

http://mathvillage.info/node/33

Uncommon Denominator:

http://mathvillage.info/node/33

Mixed Numbers:

Adding:

http://www.khanacademy.org/math/arithmetic/fractions/v/adding-mixed-numbers

Subtracting:

http://www.khanacademy.org/math/arithmetic/fractions/v/subtracting-mixed-numbers 

http://www.khanacademy.org/math/arithmetic/fractions/v/subtracting-mixed-numbers-2 

Borrowing:

http://www.ehow.com/video_12213869_add-subtract-fractions-regrouping-6th-grade-math.html 

http://mathvillage.info/node/34 

Dividing Fractions:

http://www.khanacademy.org/math/arithmetic/fractions/v/dividing-fractions-example 

http://www.khanacademy.org/math/arithmetic/fractions/v/dividing-mixed-numbers-and-fractions