Khan Academy puts a lot of emphasis on equivalent fractions and how to compare fractions with like and unlike denominators.
Khan Academy shows you how to add and subtract fractions with like denominators and includes some word problems.
Khan Academy takes you through the steps to multiplying unit fractions and whole numbers.
Feed Me Fractions:
Add fractions to create a sum of 1 to grow the creature.
Math Dash Ninjas:
Use your fraction skills to help the ninja dodge obstacles!
Splash Games has 15+ fraction games for you to explore.