Quiz about Números Racionales 2

Question 1

$$\frac{1}{2}\cdot\frac{3}{5}+\frac{2}{3}=$$

Accepted Answer

$$\frac{29}{30}$$

Answer

$$\frac{6}{15}$$

Answer

$$\frac{11}{60}$$

Answer

$$\frac{6}{30}$$

Answer

$$\frac{11}{3}$$

Question 2

$$\frac{5}{3}+\frac{3}{2}\cdot\frac{5}{9}=$$

Accepted Answer

$$\frac{15}{6}$$

Answer

$$\frac{15}{18}$$

Answer

$$\frac{13}{14}$$

Answer

$$\frac{20}{21}$$

Answer

$$\frac{45}{27}$$

Question 3

$$\frac{3}{4}\cdot\frac{5}{7}-\frac{9}{14}=$$

Accepted Answer

$$-\frac{3}{28}$$

Answer

$$\frac{1}{3}$$

Answer

$$\frac{6}{14}$$

Answer

$$-\frac{6}{14}$$

Answer

$$\frac{3}{7}$$

Question 4

$$\frac{2}{5}\cdot\frac{5}{8}-\frac{18}{20}=$$

Accepted Answer

$$-\frac{13}{20}$$

Answer

$$\frac{7}{40}$$

Answer

$$-\frac{8}{20}$$

Answer

$$-\frac{8}{40}$$

Question 5

$$\frac{2}{9}-\frac{5}{6}\cdot\frac{1}{3}=$$

Accepted Answer

$$-\frac{1}{18}$$

Answer

$$\frac{7}{18}$$

Answer

$$\frac{5}{18}$$

Answer

$$\frac{3}{9}$$

Answer

$$\frac{9}{18}$$

Question 6

$$\frac{4}{5}\div\frac{1}{2}=$$

Accepted Answer

$$\frac{8}{5}$$

Answer

$$\frac{6}{5}$$

Answer

$$\frac{5}{8}$$

Answer

$$\frac{2}{5}$$

Answer

$$\frac{3}{3}$$

Question 7

$$\frac{3}{7}\div\frac{1}{3}=$$

Accepted Answer

$$\frac{9}{7}$$

Answer

$$\frac{1}{7}$$

Answer

$$\frac{3}{21}$$

Answer

$$\frac{2}{4}$$

Answer

$$\frac{6}{7}$$

Question 8

$$\frac{11}{4}\div\frac{3}{5}=$$

Accepted Answer

$$\frac{55}{12}$$

Answer

$$\frac{33}{20}$$

Answer

$$\frac{16}{7}$$

Answer

$$\frac{45}{22}$$

Answer

$$\frac{11}{5}$$

Question 9

$$\frac{7}{9}\div\frac{5}{7}=$$

Accepted Answer

$$\frac{49}{45}$$

Answer

Answer

$$\frac{2}{2}$$

Answer

$$\frac{35}{63}$$

Answer

$$\frac{5}{9}$$

Question 10

$$\frac{7}{8}\div\frac{2}{3}=$$

Accepted Answer

$$\frac{21}{16}$$

Answer

$$\frac{14}{24}$$

Answer

$$\frac{7}{12}$$

Answer

$$\frac{9}{11}$$

Answer

$$\frac{10}{10}$$

Question 11

$$\frac{5}{6}-\frac{1}{2}=$$

Accepted Answer

$$\frac{1}{3}$$

Answer

$$\frac{1}{2}$$

Answer

$$\frac{2}{3}$$

Answer

$$\frac{1}{6}$$

Question 12

$$\frac{5}{6}\cdot\frac{3}{4}-\frac{1}{3}=$$

Accepted Answer

$$\frac{7}{24}$$

Answer

$$\frac{1}{4}$$

Answer

$$\frac{1}{6}$$

Answer

$$\frac{1}{3}$$

Answer

$$\frac{2}{3}$$

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