12/4

12/4 = 3.

If you meant something else:

• Date: December 4 (in MM/DD format; in many places it would be 4/12 for April 12).
• Ratio: 12:4 simplifies to 3:1.
• Step (gcd method): gcd(12,4) = 4, so 12/4 = (12÷4)/(4÷4) = 3/1 = 3.

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