[tex]9 + \frac{3}{10} + \frac{17}{100} [/tex]
Give these numbers the same denominator so that you can add and later simplify.
[tex] \frac{900}{100} + \frac{30}{100} + \frac{17}{100} = \frac{947}{100} [/tex]
Simplified your answer is [tex]9 \frac{47}{100} [/tex] or 9.47
