[tex]1 \frac{1}{2} - \frac{3}{8} \\
\\ 1 \frac{1}{2}= \frac{1*2+1}{2}= \frac{3}{2} \\
\\ \frac{3*4}{2*4}= \frac{12}{8} \\
\\ \frac{3*1}{8*1}= \frac{3}{8} \\
\\ \frac{12}{8} - \frac{3}{8}= \frac{9}{8} \\
\\ \frac{9}{8}=1 \frac{1}{8} \\
\\ Answer:1 \frac{1}{8} \\ [/tex]
