Maths-
General
Easy
Question
Anu notices that has a prime factor of 3 in the denominator, so he thinks the fraction will converto a recurring decimal. However when she enters the calculator , she finds that = 0.6Can you explain anu’s mistake ?
Hint:
Make the given fraction to the lowest form and thus find the mistake.
The correct answer is: 0.6
Complete step by step solution:
We have 
as a fraction.
We know that GCF (9,15) = 3
On simplification, we can write 
as the lowest form.
We know, a fraction is a repeating decimal if prime factors of the denominator of the
fractions in its lowest form do not only contain 2’s and 5’s.
Here we have 5 in the denominator of 
,hence it is not repeating.
Thus she gets, = 0.6
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