Math Problem Statement
Use the repeating decimal 8.3¯ .
Part A
How can it be represented as a mixed number? 8 13 8 310 8 23 8 38
Part B
How can it be represented as an improper fraction? 253 8310 263 698
Solution
Part A: Converting the Repeating Decimal to a Mixed Number
The repeating decimal can be rewritten as .
To convert into a fraction:
- Let .
- Multiply both sides by 10 to eliminate the repeating part:
. - Subtract the original from this new equation:
.
This simplifies to:
. - Solving for , we get:
.
So, . Therefore, the mixed number representation is:
Answer for Part A: .
Among the given options, matches this answer.
Part B: Converting to an Improper Fraction
To convert the mixed number to an improper fraction:
- Multiply the whole number by the denominator:
. - Add the numerator:
. - Place the result over the original denominator:
.
Answer for Part B: .
Among the given options, matches this answer.
Summary:
- Part A Answer:
- Part B Answer:
Would you like a detailed explanation of any of these steps, or do you have any further questions?
Related Questions:
- How do you convert repeating decimals with two repeating digits to fractions?
- How can mixed numbers be converted back into decimals?
- What are the steps to simplify fractions?
- How can you determine if a fraction is in its simplest form?
- What are the properties of repeating decimals?
Tip: Always double-check your calculations, especially when converting repeating decimals to fractions, as small errors can lead to incorrect results.
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Math Problem Analysis
Mathematical Concepts
Repeating Decimals
Mixed Numbers
Improper Fractions
Basic Arithmetic
Formulas
Converting repeating decimals to fractions: Let x = 0.\overline{3}, then 10x = 3.\overline{3}, so 9x = 3, thus x = 1/3
Converting mixed numbers to improper fractions: \(a \frac{b}{c} = \frac{a \times c + b}{c}\)
Theorems
Arithmetic operations with fractions
Suitable Grade Level
Grades 6-8