Which fraction is equal to (0.\overline{7})?
Answer and explanation
Correct answer: (\frac{7}{9})
Step 1: Let (x=0.\overline{7}). Step 2: Then (10x=7.\overline{7}), so (9x=7) and (x=\frac{7}{9}). Step 3: Exam tip: When one digit repeats, the denominator is often (9).
Frequently asked questions
What is the correct answer to this question?
(\frac{7}{9})
Why is this the correct answer?
Step 1: Let (x=0.\overline{7}). Step 2: Then (10x=7.\overline{7}), so (9x=7) and (x=\frac{7}{9}). Step 3: Exam tip: When one digit repeats, the denominator is often (9).
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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