The steps for adding fractions can be very easy if the problem is set up properly. The fraction worksheets on this page have examples of problems that illustrate increasing levels of difficulty to build the skills needed to tackle any kind of fraction addition problem.
Addition is the foundation of arithmetic. If you practice the above-mentioned methods, it will improve your subtraction skills too. Apart from these methods, make use of math work books. Write down each number in the box and then use methods discussed above.