Quiz about Сложение и вычитание обыкновеннных дробей

Question 1

$$\frac{2}{7}+\frac{4}{7}=$$

Accepted Answer

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

Answer

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

Answer

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

Answer

20

Question 2

$$\frac{16}{23}-\frac{7}{23}=$$

Accepted Answer

$$\frac{9}{23}$$

Answer

$$\frac{9}{0}$$

Answer

$$\frac{23}{23}$$

Answer

9

Question 3

$$5\ \frac{3}{17}+7\ \frac{4}{17}=$$

Accepted Answer

$$12\ \frac{7}{17}$$

Answer

$$13\ \frac{7}{17}$$

Answer

$$12\ \frac{7}{34}$$

Answer

$$\frac{7}{17}$$

Question 4

$$11\ \frac{2}{9}+3=$$

Accepted Answer

$$14\ \frac{2}{9}$$

Answer

$$11\ \frac{5}{9}$$

Answer

$$11\ \frac{2}{12}$$

Answer

$$15\ \frac{2}{9}$$

Question 5

$$12\ \frac{7}{24}\ -5=$$

Accepted Answer

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

Answer

$$12\ \frac{2}{24}$$

Answer

$$7$$

Answer

$$12\ \frac{7}{19}$$

Question 6

$$6\ \frac{24}{39}-5\ \frac{7}{39}=$$

Accepted Answer

$$1\ \frac{17}{39}$$

Answer

$$11\ \frac{31}{39}$$

Answer

$$1\ \frac{14}{0}$$

Answer

1

Question 7

$$2\ \frac{15}{27}+\frac{17}{27}=$$

Accepted Answer

$$3\ \frac{5}{27}$$

Answer

$$2\ \frac{31}{27}$$

Answer

$$2\ \frac{32}{54}$$

Answer

$$3\ \frac{3}{27}$$

Question 8

$$14-6\ \frac{5}{24}=$$

Accepted Answer

$$7\ \frac{19}{24}$$

Answer

$$8\ \frac{5}{24}$$

Answer

$$8\ \frac{19}{24}$$

Answer

$$7\ \frac{17}{24}$$

Question 9

$$1-\frac{4}{15}=$$

Accepted Answer

$$\frac{11}{15}$$

Answer

$$\frac{4}{15}$$

Answer

$$1\ \frac{4}{15}$$

Answer

$$\frac{19}{15}$$

Question 10

$$5-\frac{8}{27}=$$

Accepted Answer

$$4\ \frac{19}{27}$$

Answer

$$5\ \frac{8}{27}$$

Answer

$$4\ \frac{8}{27}$$

Answer

$$3\ \frac{17}{27}$$

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