Срочно !!!!!3/5-13/45 1/3-8/27 1/2-1/3 3/5-1/3

Question

Срочно !!!!!
3/5-13/45
1/3-8/27
1/2-1/3
3/5-1/3

Answer 1

1. 14/45
2.1/27
3.1/6
4.4/15