1. 8 7per5-5 5per8= 2.1 1per2×-7per8= 3.-4 1per4÷2 1per6= 4.konversikan pecahan ke bilangan desimal 4 6per25 5.konversikan bilangan desimal ke pecahan 4,5 !!!to

1. 8 7/5 - 5 5/8 =
47/5 - 45/8 =
376/40 - 225/40 = 151/40

2. 1 1/2 x -7/8 =
3/2 x -7/8 = -21/16

3. -4 1/4 : 2 1/6 =
-17/4 : 13/6 =
-17/4 x 6/13 = -102/52

4. 4 6/25 = 106/25 = 4,24

5. 4,5 = 45/10