[tex]x = 1 \frac{7}{8} = \frac{7}{8} [/tex]
[tex]y = \frac{6}{5} [/tex]
a).
[tex]x \times y[/tex]
[tex] \frac{7}{8} \times \frac{6}{5} = \frac{42}{40} = \frac{21}{20} [/tex]
b).
[tex]x \div y[/tex]
[tex] \frac{7}{8} \div \frac{6}{5} = \frac{7}{8} \times \frac{5}{6} = \frac{35}{48} [/tex]