Tolong ya… pake caranya kalo bisa..

1. 4/5 * 10/8= 1 * 2/2 = 1*1
2. 3/9 *27/30 *3/15 = 1/3* 9/10* 1/5== 1*3/10*1/5 = 3/50
3. 15%* 2000 = 15/100*2000=15/1*20 = 300
4. 4*9/3 = 4*3/1 = 12/1 =12
5. 2 1/2 * 4 3/2 = 5/2 *11/2 =55/4 = 3 13/4
6. 20% : 4/5 = 20/100 * 5/4 = 5/20 *1 = 1/4
7. 4/12 :24/40 = 4/12 * 40/24 = 1/3 * 10/6 = 10/18 = 5/9
8.2/5 :4/10 = 2/5 * 10/4 = 1*2/2 =1*1 =1
9.2 3/5 :1 2/10 = 13/5 : 12/10 = 13/5 * 10/12 = 13/1 * 2/12= 13 * 1/6 = 13/6 = 2 1/6
10. 3 1/5 : 2 1/10 : 1 3/4 = 16/5 : 21/10 : 7/4 = 16/5 * 10/21 * 4/7 = 16 * 2/21 * 4/7 = 32/21 * 4/7 = 128/147