3 1/2 - 0,5 dijawabnya pakai cara ya

0,5= 5/10

7/2-5/10= 35/10-5/10= 30/10= 3


maaf kalo salah

3 1/2-0,5 =
3 1/2=7/2
0,5. = 1/5
7/2 - 1/5 = 35/10-2/10= 33/10=3,3=330%=3 3/10