Math Problem Statement

What fraction is equivalent to 0.\overline{5}?

Solution

The repeating decimal 0.50.\overline{5} is equivalent to a fraction. To convert a repeating decimal to a fraction, follow these steps:

  1. Let x=0.5x = 0.\overline{5}.
  2. Multiply both sides by 10 to shift the decimal point: 10x=5.510x = 5.\overline{5}
  3. Subtract the original equation from this new equation: 10xx=5.50.510x - x = 5.\overline{5} - 0.\overline{5} This simplifies to: 9x=59x = 5
  4. Solve for xx: x=59x = \frac{5}{9}

Thus, 0.50.\overline{5} is equivalent to the fraction 59\frac{5}{9}.

Let me know if you need more details or have any questions!

Here are 5 related questions:

  1. How do you convert other repeating decimals into fractions?
  2. What is the process for converting non-repeating decimals into fractions?
  3. Can 0.50.\overline{5} be simplified further in any way?
  4. How do you find the decimal representation of fractions like 79\frac{7}{9}?
  5. How do mixed repeating decimals, such as 0.340.3\overline{4}, convert into fractions?

Tip: When converting repeating decimals to fractions, it's helpful to use algebraic manipulation to eliminate the repeating part.

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Math Problem Analysis

Mathematical Concepts

Repeating Decimals
Fractions
Algebra

Formulas

x = 0.\overline{5}
10x = 5.\overline{5}
9x = 5
x = \frac{5}{9}

Theorems

Repeating Decimal to Fraction Conversion

Suitable Grade Level

Grades 6-8