1.

What should be subtracted from 11/9 to get 2/81?verify.​

Answer»

ANSWER:

11/9 - ? = 2/81

=> 11/9 -2/81 = ?

=> LCM of 9 and 81

LCM = 81

=  > \frac{99 - 2}{81}   \\ =  >   \frac{97}{81} \\

a-b = c

=> a-c = b \ -b -c = -a => b+c = a

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