Math Problem Statement
Write 0. 32 overbar as a fraction in simplest form.
Solution
To convert (which means the decimal repeating) into a fraction, we can follow these steps:
Step 1: Set up an equation
Let , meaning:
Step 2: Eliminate the repeating decimal
To eliminate the repeating part, multiply both sides of the equation by 100 (since the repeating part is two digits long):
Step 3: Subtract the two equations
Now subtract the original equation from the new equation:
Step 4: Solve for
Now, divide both sides by 99:
Step 5: Simplify the fraction
The fraction is already in its simplest form, since 32 and 99 have no common factors other than 1.
So, the fraction equivalent to is:
Do you want more details or have any questions about the steps? Here are some related questions you might find interesting:
- How do you convert a repeating decimal like into a fraction?
- What is the method to convert a non-repeating decimal into a fraction?
- How do you simplify fractions involving large numbers?
- Can all repeating decimals be expressed as fractions?
- What happens if the repeating decimal is only one digit long?
Tip: For repeating decimals, multiplying by powers of 10 (like 10, 100, 1000) helps shift the decimal point to align with the repeating part.
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Math Problem Analysis
Mathematical Concepts
Algebra
Repeating Decimals
Fractions
Formulas
x = a / b (to represent repeating decimals as fractions)
Theorems
Conversion of repeating decimals to fractions
Suitable Grade Level
Grades 7-9