Standard Mathematics Primary 5 Fractions

After Sara's birthday party, 3/4 of a cake was left over. The next day, Ravi ate 2/3 of what was left. What fraction of the WHOLE cake did Ravi eat?

A 1/12
B 2/3
C 1/2
D 1/4
Show Worked Solution

Worked Solution

Step 1: '2/3 of what was left' means 2/3 multiplied by the leftover fraction. Step 2: Leftover = 3/4 of the whole cake. Step 3: Ravi's share of the WHOLE = 2/3 × 3/4 = 6/12. Step 4: Simplify: 6/12 = 1/2. So Ravi ate 1/2 of the whole cake. Answer: 1/2

Correct answer: 1/2

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