The number 0. 121212.... in the P form p/q is equal to
Let
x = 0.121212 Â be equation 1
100x = 12.121212 be equation 2
Subtracting 1 from 2
99x =Â 12
x =Â $$\frac{12}{99}$$
  = $$\frac{4}{33}$$
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