Tolong jawab, pakai cara ya​

Jawaban:

1.3:9/10

=3/1:9/10

=10/3

=3. 1/3

2.5:2/7

=5/1:2/7

=35/2

=17 1/2

3.5/9:10

=5/9:10/1

=1/18

4.11/24:7. = =11/24:7/1. =11/168 nomor5soalnya kurang jelas