Question
Sort out the fractions in lowest forms.:
$\frac{1}{4}, \frac{1}{3}, \frac{6}{9}, \frac{2}{6}, \frac{5}{7}, \frac{40}{45}, \frac{41}{51}, \frac{16}{64}, \frac{50}{60}, \frac{7}{21}, \frac{16}{18}, \frac{7}{13}, \frac{145}{150}, \frac{180}{200}$
$\frac{1}{4}, \frac{1}{3}, \frac{6}{9}, \frac{2}{6}, \frac{5}{7}, \frac{40}{45}, \frac{41}{51}, \frac{16}{64}, \frac{50}{60}, \frac{7}{21}, \frac{16}{18}, \frac{7}{13}, \frac{145}{150}, \frac{180}{200}$
