Foundation Mathematics Primary 4 Fractions

At Marcus's birthday party, the children ate 17/5 of a shared sponge cake (each cake was cut into 5 equal slices). Express 17/5 as a mixed number.

A 3 2/5
B 2 3/5
C 3 5/2
D 17/5
Show Worked Solution

Worked Solution

Step 1: Set up the division: 17 ÷ 5.\n Step 2: Find the quotient and remainder: 5 × 3 = 15, and 17 − 15 = 2. So 17 ÷ 5 = 3 remainder 2.\n Step 3: Build the mixed number using the rule:\n whole-number part = quotient = 3\n new numerator = remainder = 2\n denominator stays the same = 5\n Step 4: Write the answer: 3 2/5.\nCheck (reverse): 3 2/5 = (3 × 5 + 2)/5 = 17/5 ✓. Answer: 3 2/5

Correct answer: 3 2/5

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