Tolong di jawab soalnya ya!

17 2/5 - 3 5/8
= 87/5 - 29/8
= 696/40 - 145/40
= 551/40
= 13 31/40

19. 17 2/5 - 3 5/8 =
14 16/40 - 25/40 =
13 56/40 - 25/40 =
13 31/40

Kalau boleh jadikan jawaban terbaik yah