Return to the Fraction class you worked with throughout Part I,“The Objective-C Language.” For your convenience, it is listed in Chapter 21,“Writing iOS Applications.” Modify the various MathOps...

Return to the Fraction class you worked with throughout Part I,“The Objective-C Language.” For your convenience, it is listed in Chapter 21,“Writing iOS Applications.” Modify the various MathOps category methods to add the fractions resulting from each operation to the autorelease pool.When that is done, can you write a statement like this: [[fractionA add: fractionB] print]; without leaking memory? Explain your answer.