Question

DD3.3) Add or subtract. Simplify. Change the answers to mixed numbers, if possible.7NIC+326LCD =212612

Answer 1

We will have the following:

$\frac{3}{2}+\frac{7}{6}=\frac{3\cdot6+2\cdot7}{2\cdot6}=\frac{18+14}{12}$$=\frac{32}{12}=\frac{8}{3}=\frac{6}{3}+\frac{2}{3}$$=2\frac{2}{3}$

The LCD for 2 and 6 is 12.