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Question
Which of the following is not in the lowest form?
Options
`7/5`
`15/20`
`13/33`
`27/28`
Solution
`15/20`
Explanation:
We know that, a fraction is in its lowest form, if the HCF of their numerator and denominator is 1. Now,
Since, HCF of 15 and 20 is 5. So, it is not in its lowest form.
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