Adding Fractions with Unlike Denominators

“Sarah used ⅖ of a bag of flour for baking cookies and ¼ of the same bag for making a cake. What fraction of the bag of flour did she use in total? Solve by rewriting the fractions with a common denominator using the "easiest common denominator" method. Show your work. Tom walked ⅓ of a mile to the store and then ⅚ of a mile to his friend's house. What total fraction of a mile did he walk? Solve by rewriting the fractions with a common denominator using the "easiest common denominator" method. Show your work.”