Pre Algebra: Comparing Fractions

1. Which of the following groups contains three fractions that are equal?

(A)$\dfrac{2}{3}$, $\dfrac{6}{9}$ , $\dfrac{18}{20}$

(B)$\dfrac{5}{9}$, $\dfrac{7}{16}$ , $\dfrac{10}{18}$

(C)$\dfrac{2}{4}$, $\dfrac{3}{6}$ , $\dfrac{11}{21}$ 

(D)$\dfrac{15}{18}$, $\dfrac{5}{6}$ , $\dfrac{35}{42}$

(E)$\dfrac{18}{45}$, $\dfrac{9}{15}$ , $\dfrac{2}{6}$ 

2. Which of the following numbers is between 0.78 and 0.89? 

(A)$\dfrac{7}{8}$

(B)$\dfrac{3}{4}$

(C)$\dfrac{15}{16}$

(D)$\dfrac{9}{10}$

(E)$\dfrac{8}{16}$

3. Which of the following numbers is closest to -3.8?

(A) $-3\dfrac{3}{8}$

(B) $-3\dfrac{3}{4}$

(C) $-4$

(D) $-3\dfrac{18}{25}$

(E) $3\dfrac{8}{10}$