Fractions Posted byjaehwa September 6, 2020 What is $\dfrac{1}{2} + \dfrac{2}{5}$?A. $\dfrac{9}{10}$ A. $\dfrac{9}{10}$ B. $\dfrac{3}{7}$C. $\dfrac{8}{7}$D. $1$E. $\dfrac{19}{10}$Show AnswerShow The First Step 1. $\dfrac{1}{2} + \dfrac{2}{5}$$ = \dfrac{1\times 5}{2\times 5}+\dfrac{2\times 2}{5\times 2}$$ = \dfrac{5}{10}+\dfrac{4}{10}$$=\dfrac{{5}+{4}}{10}$$=\dfrac{9}{10}$ No More StepsPractice AgainCorrect! Nice work!
