tlong bantuin dong plissss ini pentinggggg

5. 100 : 1 1/4 = 100 : 5/4 = 100 x 4/5 = 80

12 : 1 1/3 = 12 : 4/3 = 12 x 3/4 = 9

6. 3 1/2 : 1 1/2 = 7/2 : 3/2 = 7/2 x 2/3 = 14/6 = 7/3 = 2 1/3

2 6/7 : 1 2/3 = 20/7 : 5/3 = 20/7 x 3/5 = 60/35 = 12/7 = 1 5/7

100 : 1 1/4 = 100 : 5/4 = 100 x 4/5 = 400/5 = 80
12 : 1 1/3 = 12 : 4/3 = 12 x 3/4 = 36/4 = 9

3 1/2 : 1 1/2 = 7/2 : 3/2 = 7/2 x 2/3 = 14/6 = 7/3 = 2 1/3
2 6/7 : 1 2/3 = 20/7 : 5/3 = 20/7 x 3/5 = 60/35 = 12/7 = 1 5/7