Rani takes 2 1/5 minutes to walk across the school ground, Sumit takes 7/4 minutes to do the same. Who takes lesser time and by what fraction of time?
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Step-by-step explanation:
Time taken by Jaidev = 2(1/5) minutes = 11/5 min
Time taken by Rahul = 7/4 min
Converting these into like fractions.
11/5 = 11/5 x 4/4 = 44/20
7/4 = 7/4 x 5/5 = 35/20
As 44 > 35
Hence, Rahul takes lesser time
Difference = 11/5 - 7/4 = 44/20 - 35/20 = 9/20min
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