To reduce(simplify) a fraction:

  1. Find the prime factors of the numerator and denominator.
  2. Divide the numerator and denominator by all the prime factors they have in common.



Write the numerator and denominator as products of their prime factors:
= \frac{2*2*3*5*5}{2*2*2*2*2*5*5*5*5}

The common prime factors are 2, 2, 5 and 5. Divide numerator and denominator by 2*2*5*5:
= \frac{3}{2*2*2*5*5}

Simplify the denominator:
= \frac{3}{200}

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