This chapter takes you through the ‘how’s’ and ‘why’s’ behind adding and subtracting fractions. Whether you are seeking to learn about estimating fraction addition and subtraction, want the basics about why you need a common denominator to add or subtract fractions, or are looking to add or subtract fractions with different denominators or mixed numbers, this chapter has you covered! A very neat way of solving one-step equations involving adding and subtracting fractions in the final lesson, too! Go get confident with fraction addition and subtraction!