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CommonDivisor

Katsuhiko Yao

About CommonDivisor

A simple math game for kids who struggle with reducing fractions.

Find common divisors among 9 numbers and keep dividing.
The rules are easy, but the learning is deep.
Players naturally understand why fractions can be simplified.

• Build intuition for common divisors
• Improve fraction skills through repetition
• Learn by playing, not memorizing

Perfect for home practice, classrooms, and family play.
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