Fraction of a Set Practice Test

Liam is reading a book that has 120 pages. He has read \(\frac{2}{5}\) of the book. How many pages does he have left to read?

A farm has 80 animals. \(\frac{3}{8}\) of the animals are chickens and \(\frac{1}{5}\) of the animals are cows. How many more chickens than cows are on the farm?