Consider $\frac{3}{5}$35 and $-\frac{4}{5}$−45. Which of these fractions is closest to zero?

$\frac{3}{5}$35

$-\frac{4}{5}$−45

Consider $\frac{9}{18}$918 and $\frac{-4}{6}$−46. Which of these fractions is closest to zero?

Arrange the following in ascending order: $-\frac{2}{10},-\frac{7}{10},-\frac{4}{10}$−210,−710,−410

Arrange the following in descending order: $-\frac{5}{15}$−515, $-\frac{2}{15}$−215, $-\frac{8}{15}$−815