mohon bantuannya jawabannya & caranya yah!!!!(terutama nomor 3 , 4 ,& 5)

3)13/2x5/3=65/6=10 5/6
4)70%=7/10=7/10x5/1=35/10=
3 1/2
5)4,5=9/2=7/4x2/9=14/36

3.6 1/2:3/5=13/2×5/3=65/6=10 5/6
4.70% :1/5 = 70/100×5=70/20
2. 0,99:2,2=0,45
5.1 3/4:4,5=1,75:4,5=0,38