[tex]13\% \times 75\% + \frac{2}{18} = [/tex]

[tex] \frac{13}{100} \times \frac{75}{100} + \frac{2}{8} \\ \frac{13}{100} \times \frac{3}{4} + \frac{2}{8} \\ \frac{39}{400} + \frac{1}{4} \\ \frac{39}{400} + \frac{100}{400} \\ \frac{139}{400} [/tex]
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