Question 1: Calculate: \( \frac{3}{7} + \frac{2}{7} \)

Answer: 5/7

Question 2: Calculate: \( \frac{5}{9} + \frac{3}{9} \)

Answer: 8/9

Question 3: Add: \( \frac{4}{11} + \frac{6}{11} \)

Answer: 10/11

Question 4: Add: \( \frac{7}{13} + \frac{5}{13} \)

Answer: 12/13

Question 1: A recipe requires \( \frac{2}{5} \) of a cup of sugar and \( \frac{1}{5} \) of a cup of flour. How much of these ingredients are used in total? Show your working.

Answer: 3/5

Question 2: Emma has \( \frac{3}{8} \) of a chocolate bar and gives away \( \frac{1}{8} \). How much does she have left? Show your working.

Answer: 2/8 or 1/4

Question 1: Liam drank \( \frac{3}{7} \) of a litre of juice in the morning and \( \frac{2}{7} \) in the afternoon. How much juice did he drink altogether? Show your working.

Answer: 5/7 litres

Question 1: A pizza is cut into 8 equal slices. If \( \frac{3}{8} \) of the pizza is eaten, what fraction remains? How does this compare to \( \frac{5}{8} \)? Explain your reasoning.

Answer: 5/8 remains; it is greater than 3/8

Question 2: Construct a diagram showing the sum of \( \frac{4}{9} \) and \( \frac{2}{9} \). Confirm the total in simplest form.

Answer: 6/9 or 2/3

Question 1: A student adds \( \frac{2}{7} + \frac{3}{7} \) and writes the answer as \( \frac{5}{8} \). Identify the mistake and correct it.

Answer: Incorrect denominator used; correct answer is 5/7

Question 2: A student claims \( \frac{4}{9} + \frac{4}{9} = \frac{8}{9} \). Is this correct? If not, explain and correct the mistake.

Answer: Yes, it is correct; 4/9 + 4/9 = 8/9