Quiz about Adição e Subtração de frações - Denominadores Iguais

Question 1

Calcule: $$\frac{4}{5}+\frac{2}{5}=$$

Accepted Answer

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

Answer

2

Answer

$$\frac{7}{5}$$

Answer

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

Question 2

Calcule: $$\frac{1}{7}+\frac{3}{7}=$$

Accepted Answer

$$\frac{4}{7}$$

Answer

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

Answer

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

Answer

$$\frac{7}{4}$$

Question 3

Calcule: $$\frac{17}{3}-\frac{2}{3}=$$

Accepted Answer

$$5$$

Answer

$$\frac{14}{3}$$

Answer

$$\frac{15}{0}$$

Answer

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

Question 4

Calcule: $$\frac{21}{19}-\frac{2}{19}=$$

Accepted Answer

$$1$$

Answer

$$\frac{18}{19}$$

Answer

$$\frac{23}{19}$$

Answer

$$\frac{17}{19}$$

Question 5

Calcule: $$\frac{4}{20}+\frac{12}{20}+\frac{3}{20}=$$

Accepted Answer

$$\frac{19}{20}$$

Answer

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

Answer

$$\frac{17}{20}$$

Answer

$$\frac{17}{19}$$

Question 6

Calcule: $$\frac{1}{7}+\frac{2}{7}+\frac{3}{7}+\frac{2}{7}=$$

Accepted Answer

$$\frac{8}{7}$$

Answer

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

Answer

$$\frac{10}{7}$$

Answer

$$1$$

Question 7

Calcule: $$\frac{1}{5}+\frac{3}{5}+\frac{4}{5}+\frac{6}{5}=$$

Accepted Answer

$$\frac{14}{5}$$

Answer

3

Answer

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

Answer

$$\frac{12}{5}$$

Question 8

Calcule: $$\frac{19}{3}-\frac{4}{3}-\frac{8}{3}=$$

Accepted Answer

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

Answer

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

Answer

$$\frac{31}{3}$$

Answer

$$\frac{15}{3}$$

Question 9

Calcule: $$\frac{19}{3}-\frac{4}{3}+\frac{8}{3}=$$

Accepted Answer

$$\frac{23}{3}$$

Answer

$$\frac{8}{3}$$

Answer

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

Answer

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

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