Number fraction puzzle

If we add 1/7 to the given number, we get 1/2. Specify the number.

Final Answer:

x =  0.3571

Step-by-step explanation:


x + 1/7 = 1/2

14x = 5


x = 5/14 = 0.35714286

x = 5/14 ≈ 0.357143

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