Question

3/8 -1/9 = 27/72 - 8/72 = 19/72

Answer 1

1) 3/8=0.375
2) 1/9=0.(1)
3) 0.375-0.(1)=0.263(8)9
Элементарно, Ватсон.

Answer 2

3/8=0.375
0.375-1/9=0.263888888