Question

1318-524,1-18,1163-19

Answer 1

13/18-5/24=52/72-15/72=37/72
1-1/8=8/8-1/8=7/8
11/63-1/9=11/63-7/63=4/63

Answer 2

1) 13/18-5/24=52/72-15/72=37/72
2) 1-1/8=8/8-1/8=7/8
3) 11/63-1/9=11/63-7/63=4/63