Question

find two rational numbers between 0.1 and 0.3

Answer 1

0.1 = 1/10 = (1 × 10)/(10×10) = 10/100
0.3 = 3/10 = (3 × 10)/(10×10) = 30/100

Rational numbers between 1/10 and 3/10 are :-
11/100, 12/100, 13/100, 14/100, 15/100, 16/100, 17/100, 18/100, 19/100, 20/100, 21/100, 22/100, 23/100, 24/100, 25/100, 26/100, 27/100, 28/100, 29/100

Hope this helps :)