Question

Rahul takes 5/5 minutes to walk across the school ground, Kamal take 7/4 to do same Who takes less time and by what fraction?
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Answer 1

Answer:

Rahul  takes less time by 3/4 min

Step-by-step explanation:

Lcm of 5 and 4 is 20

5/5 = 5/5 x 4/4 = 20/20

7/4 = 7/4 x 5/5 = 35/20

Rahul take less time

35/20 - 20/20 = 15/20

15/20 = 3/4

Therefore Rahul  takes less time by 3/4 min