Michell lost 10 pounds in summer and gain 5 1/8 pounds in winter, so the overall change is:
[tex]\begin{gathered} -10+(5+\frac{1}{8})=-10+5+\frac{1}{8}=-5+\frac{1}{8}=\frac{(-5)\cdot8+1}{8}=\frac{-40+1}{8} \\ -10+(5+\frac{1}{8})=-\frac{39}{8}=-\frac{32+7}{8}=-(4+\frac{7}{8}) \end{gathered}[/tex]Michell lost 4 7/8 pounds
