Which of the following fractions will have a terminating decimal expansion?
Answer and explanation
Correct answer: (\frac{7}{8})
Step 1: For a terminating decimal, the denominator must have only (2) and (5) as prime factors. Step 2: Since (8=2^3), (\frac{7}{8}) terminates. Step 3: Exam tip: Always prime-factorise the denominator first.
Frequently asked questions
What is the correct answer to this question?
(\frac{7}{8})
Why is this the correct answer?
Step 1: For a terminating decimal, the denominator must have only (2) and (5) as prime factors. Step 2: Since (8=2^3), (\frac{7}{8}) terminates. Step 3: Exam tip: Always prime-factorise the denominator first.
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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