Fractions Posted byjaehwa September 6, 2020 What is $\dfrac{5}{7} + \dfrac{4}{9}$?A. $\dfrac{73}{63}$ A. $\dfrac{73}{63}$ B. $\dfrac{9}{16}$C. $\dfrac{17}{16}$D. $1$E. $\dfrac{136}{63}$Show AnswerShow The First Step 1. $\dfrac{5}{7} + \dfrac{4}{9}$$ = \dfrac{5\times 9}{7\times 9}+\dfrac{4\times 7}{9\times 7}$$ = \dfrac{45}{63}+\dfrac{28}{63}$$=\dfrac{{45}+{28}}{63}$$=\dfrac{73}{63}$ No More StepsPractice AgainCorrect! Nice work!
