Write (0.\overline{18}) as a fraction in simplest form.
Answer and explanation
Correct answer: (\frac{2}{11})
Step 1: The two-digit recurring decimal (0.\overline{18}) is first written as (\frac{18}{99}). Step 2: Simplifying (\frac{18}{99}) by (9) gives (\frac{2}{11}). Step 3: Exam tip: For two repeating digits, using denominator (99) is a quick method.
Frequently asked questions
What is the correct answer to this question?
(\frac{2}{11})
Why is this the correct answer?
Step 1: The two-digit recurring decimal (0.\overline{18}) is first written as (\frac{18}{99}). Step 2: Simplifying (\frac{18}{99}) by (9) gives (\frac{2}{11}). Step 3: Exam tip: For two repeating digits, using denominator (99) is a quick method.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Real Numbers. Topic: Decimal expansion of rational numbers.
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