37 2/5 dikurang 16 1/2

37-16 (2/5-1/2)
=21(-1/10)
=-21 1/10

37 2/5 - 16 1/2 =
187/5 - 33/2=
374/10 - 165/10=
209/10=
20 9/10
Aku menghitung hasilnya begitu