Jaidev takes 21/5 minutes to walk across the school ground. Rahul takes 7/4 minutes to do the same

CBSE Class 6 CBSE Class 6 Maths
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Jaidev takes 2\frac { 1 }{ 5 } minutes to walk across the school ground. Rahul takes \frac { 7 }{ 4 } minutes to do the same.Who takes less time and by what fraction?

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