Question

0,08(3); 0,8(3); 4,(6);

Answer 1

0,08,(3) = ( 83 - 8 ) / 900 = 75 / 900 = 15 / 180 = 1 / 12

0,8(3) = ( 83 - 8 ) / 90 = 75 / 90 = 15 / 18 = 5 / 6

4,( 6) = ( 46 - 4 ) / 9 = 42 / 9 = 14 / 3