Вот помогите решить только скорей пожалуйста !!

18÷10 7/20=18 ÷ 207/20=18×20/207=360/207=
=1 153/207=1 51/69
$$$$$/
4 1/2 ÷ 2/3=9/2 × 3/2=27/4=6 3/4
$$$$$$$
5 17/24 ÷ 2/3=137/24 × 3/2=411/48=8 27/48=
=8 9/16
$$$$$$$$
17 5/14 ÷ 2 2/27=243/14 × 27/56= 6561/784=
=8 289/784
$$$$$$$$$
39 ÷9 3/5=39 × 5/48=65/16=4 1/16
$$$$$$$$$$
7/12 ÷3 1/16=7/12 × 16/49=4/21
$$$$$$$$$$$$
6 1/8 ÷ 3 1/2=49/8 × 2/7=7/4=1 3/4
$$$$$$$$$
63 1/3÷5 2/11=189/3 × 11/57=63×11/3×19=
=21×11/19=231/19=12 3/19
$$$$$$$$$
больше нет времени