Question

find an irrational number between 5/7 and 7/9.

Answer 1

5/7=0.71
7/9=0.77
the all nos. b/w 0.71&0.77 are irrational number

Answer 2

Answer:

get the lcm

5*9/7*9

= 45/63

7*5/9*5

= 35/45

so a irrational no. between them is: 36/45 , 42/45  ,  39,45

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