tolong besok di kumpulin

1. ) 15/4 - 13/10 = 75/20 - 26/20 = 49/20 = 2 9/20
2.) 11/2 - 13/4 = 22/4 - 13/4 = 9/4 = 2 1/4
3.) 71/8 - 29/6 = 213/24 - 116/24 = 97/24 = 4 1/24
4.) 23/3 - 25/6 = 46/6 - 25/6 = 21/6 = 3 3/6
5.) 14/3 - 11/9 = 42/9 - 11/9 = 31/9 = 3 4/9
6.) 97/10 - 33/6 = 291/30 - 165/30 = 126/30 = 4 6/30
7.) 53/5 - 25/4 = 212/20 - 125/20 = 87/20 = 4 7/20
8.) 52/6 - 30/9 = 156/18 - 60/18 = 96/18 = 5 6/18
9.) 69/6 - 33/5 = 345/30 - 198/30 = 147/30 = 4 27/30
10.) 51/4 - 87/12 = 153/12 - 87/12 = 66/12 = 5 6/12
semoga ga salah hitung