Math Problem Statement
0.18 with just the 8 repeating as a fraction
Solution
The decimal (with the 8 repeating) can be converted to a fraction as follows:
Let .
Step 1: Multiply by 10 to move the decimal point one place right.
Step 2: Multiply by 100 to move the decimal point two places right.
Step 3: Subtract the two equations.
Subtract from :
Step 4: Solve for .
So, as a fraction is .
Would you like further details on this process or have any questions?
Here are 5 related questions to extend this topic:
- How do you convert a non-repeating decimal to a fraction?
- How do you convert other repeating decimals to fractions, like ?
- What is the difference between a repeating and terminating decimal?
- How do you simplify a fraction?
- How do you convert a fraction back into a decimal?
Tip: When converting repeating decimals to fractions, identifying the repeating part of the decimal early helps simplify the process.
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Math Problem Analysis
Mathematical Concepts
Repeating Decimals
Fractions
Algebra
Formulas
x = repeating decimal
Subtracting equations to eliminate repeating part
x = fraction form
Theorems
Basic Algebraic Manipulation
Suitable Grade Level
Grades 7-10