Adding and Subtracting Fractions 4
Select a problem set using the buttons above, then use your mouse or
tab key to select a question. Fill in the blank with the correct answer. If your answer isn't an integer, then use '/' to express it as a fraction.
When you have answered all of the questions, ask Charlie how you did.
Perform the addition and subtraction operations.
Perform the addition and subtraction operations.
Perform the addition and subtraction operations.
