Braingenie: Subtract Fractions
Braingenie: Subtract Mixed Numbers
DiscoveryEducation: Fishy Fractions (flash)
DiscoveryEducation: Fishy Fractions Mixed Numbers (flash)
EZSchool: Subtract Unlike Denominators Simplest Form
HenryAnker: Subtracting Fractions Set 3 (flash)
HenryAnker: Subtracting Fractions Set 4 (flash)
HenryAnker: Subtracting Fractions Set 5 (flash)
MathGames: Subtracting Fractions with Unlike Denominators 2
MathGames: Subtract Mixed Numbers with Unlike Denominators
Quia: Challenge Board Subtracting
SheppardSoftware: Fruit Shoot Subtraction (level 2 and 3)
SliderMath: Subtract Fractions
SumsMathematics: Fractions 9 (flash)
TurtleDiary: Add and Subtract Fractions (flash)
VisualFractions: Subtract Lines
VisualFractions: Subtract Circles
VisualFractions: Subtract Lines 2
VisualFractions: Subtract Circles 2