Add the fractions spent on food and the book to find the total fraction spent.

[[model:questions/solutions/q10690.png]]

• Food: \(\frac{2}{5}\), Book: \(\frac{1}{6}\)
• LCD of 5 and 6 is 30.
• \(\frac{2}{5} = \frac{12}{30}\), \(\frac{1}{6} = \frac{5}{30}\)
• Total spent: \(\frac{12}{30} + \frac{5}{30} = \frac{17}{30}\)

\(\frac{17}{30}\) of Larry's money was spent.
Check: \(\frac{17}{30}\) is in simplest form (17 and 30 share no common factor). ✓

Final Answer: \(\frac{17}{30}\)