Standard Mathematics Primary 3 Fractions

Ravi ate 2/3 of a prata, Aisha ate 3/4 of a prata, and Nadia ate 5/12 of a prata. Arrange the three fractions in DESCENDING order (largest to smallest).

A 3/4, 2/3, 5/12
B 2/3, 3/4, 5/12
C 5/12, 2/3, 3/4
D 3/4, 5/12, 2/3
Show Worked Solution

Worked Solution

Step 1: Find a common denominator for 2/3, 3/4, and 5/12. The LCD of 3, 4, and 12 is 12. Step 2: Convert each fraction to twelfths. 2/3 = 8/12 (multiply numerator and denominator by 4) 3/4 = 9/12 (multiply numerator and denominator by 3) 5/12 = 5/12 (already in twelfths) Step 3: Arrange in descending order. 9/12 > 8/12 > 5/12 So: 3/4 > 2/3 > 5/12 Answer: 3/4, 2/3, 5/12

Correct answer: 3/4, 2/3, 5/12

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