tolong dengan caranya ya

8). 4 2/5×5/6=22/5×5/6=110/30=3 20/30=3 2/3. 9)

8 . 4 2/5 × 5/6 = 22/5 × 5/6 =
110/30 = 3 20/30 = 3 2/3

9 . 4 3/8 ÷ 3 2/6 = 35/8 ÷ 20/6 =
35/8 × 6/20 = 21/16 = 1 5/16

10. 2/5 + 2/8 × 1 1/4 = 2/5 + 2/8 ×
5/4 = 2/5 + 10/32 = ?

Maaf no.10 saya bingung