Answer:
Step-by-step explanation:
Convert mixed fraction to improper fraction.
Find LCM and equivalent fraction. Then add
[tex]1\dfrac{1}{2}+2\dfrac{2}{5}=\dfrac{3}{2}+\dfrac{12}{5}\\\\\\LCM = 10\\\\\\=\dfrac{3*5}{2*5}+\dfrac{12*2}{5*2}\\\\=\dfrac{15}{10}+\dfrac{24}{10}\\\\=\dfrac{15+24}{10}=\dfrac{39}{10}\\\\=3\dfrac{9}{10}[/tex]
