Standard Mathematics Primary 3 Fractions

Amir ate 3/5 of his sandwich, Priya ate 7/10 of her sandwich, and Wei Lin ate 1/2 of her sandwich. All sandwiches were the same size. Arrange the fractions in ASCENDING order (smallest to largest).

A 1/2, 3/5, 7/10
B 7/10, 3/5, 1/2
C 3/5, 1/2, 7/10
D 1/2, 7/10, 3/5
Show Worked Solution

Worked Solution

Step 1: Find the LCD (Lowest Common Denominator) of 5, 10, and 2. LCD = 10 Step 2: Convert each fraction to an equivalent fraction with denominator 10. 1/2 = 5/10 3/5 = 6/10 7/10 = 7/10 Step 3: Compare the numerators (5, 6, 7) and arrange in ascending order. 5/10 < 6/10 < 7/10 So the ascending order is: 1/2, 3/5, 7/10

Correct answer: 1/2, 3/5, 7/10

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