Some good ways to practice using fractions in math are to use them in everyday activities such as cooking, to make concrete examples to view and to do the interactive math problems on KhanAcademy.com. Try to relate each concept and mathematical operation to something familiar or to a previous experience.
Making brownies or cookies may not seem like doing math, but it's a great way to get comfortable with using fractions such as one-half teaspoon or one-quarter cup. Mixed fractions such as 1 1/3 are much easier to understand as 1 1/3 cups of milk.
Use an empty egg carton and some beads to visualize fractions. Drawing pictures of fractions is also helpful. KhanAcademy.com has short video lessons and interactive exercises for learning and practicing all aspects of working with fractions.