What is ${8} \dfrac{1}{6} - {7}\dfrac{4}{9}$?A. $\dfrac{13}{18}$ A. $\dfrac{13}{18}$ B. $ {1} \dfrac{13}{18}$ C. $ {2} \dfrac{13}{18}$ D. $ {4} \dfrac{13}{18}$ E. $ {3} \dfrac{13}{18}$
Show Answer Show The First Step 1. ${8} \dfrac{1}{6} - {7}\dfrac{4}{9}$$ = {8} + \dfrac{1}{6} - {7} - \dfrac{4}{9}$$ = {8} - {7}+ \dfrac{1}{6} - \dfrac{4}{9}$Show Next Step 2. $ = {1} + \dfrac{1}{6} - \dfrac{4}{9}$$ = \dfrac{6}{6} + \dfrac{1}{6} - \dfrac{4}{9}$Show Next Step 3. $ = \dfrac{{6}+{1}}{6} - \dfrac{4}{9}$$ = \dfrac{{7}}{6} - \dfrac{4}{9}$Show Next Step 4. $ =\dfrac{{7} \times {3}}{{6} \times {3}} - \dfrac{{4}\times {2}}{{9} \times {2}}$Show Next Step 5. $ = \dfrac{{21}}{{18}} - \dfrac{8}{18}$$ = \dfrac{{21}-{8}}{18}$$=\dfrac{13}{18}$ No More Steps Practice Again Correct! Nice work!