LCM and HCF Practice Test 3

Question : 31 of 40

Marks: +1, -0

Which of the following fraction is the largest

Solution:

63/80,31 /40 ,13/ 16, 7/ 8

LCM of 80, 40, 16 and 8 = 80
Now,

31/40={31×2}/{40×2}=62/80;

13/16={13×5}/{16×5}=65/80

;

7/8={7×10}/{8×10}=70/80

Then,

70/80 > 65/80 > 63/80 > 62/80 .

\Since, 7/8 > 13/16 >63/80 > 31/40 .

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