There are a few online games that can assist you to learn the value of fractions; equivalent fractions, decimals and percentages and how to add fractions.
Matching fractions, decimals and percentages: https://nrich.maths.org/1249
Value of fractions on a number line (slider): https://www.nctm.org/Classroom-Resources/Illuminations/Interactives/Fraction-Game/