Standard Mathematics Primary 6 Ratio

In Wei Hao's P6 class, the ratio of boys to girls is 24 : 36. Express the ratio of boys to girls in its simplest form.

A 2 : 3
B 3 : 2
C 4 : 6
D 12 : 18
Show Worked Solution

Worked Solution

Step 1: Find the greatest common divisor (GCD) of 24 and 36. Factors of 24: 1, 2, 3, 4, 6, 8, 12, 24. Factors of 36: 1, 2, 3, 4, 6, 9, 12, 18, 36. GCD = 12. Step 2: Divide both terms of the ratio by 12: 24 ÷ 12 = 2, and 36 ÷ 12 = 3. Step 3: The simplest form is 2 : 3. Final answer: 2 : 3. Answer: 2 : 3

Correct answer: 2 : 3

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