Which of the following fraction is the largest ?

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Question: Which of the following fraction is the largest ?

[A].

7
8

[B].

13
16

[C].

31
40

[D].

63
80

Answer: Option A

Explanation:

L.C.M. of 8, 16, 40 and 80 = 80.

7 = 70 ;   13 = 65 ;   31 = 62
8 80 16 80 40 80
Since, 70 > 65 > 63 > 62 , so 7 > 13 > 63 > 31
80 80 80 80 8 16 80 40
So, 7 is the largest.
8