Tentukan hasil dari : A. 2/7 : 4/5 B. 10/9 : 1 2/3 C. 2/25 : 6/10 : 5/9 D. 1 1/2 : 2 2/3 : 3 3/4 Plis jawab ya jangan jawab ngasal

a.2/7 : 4/5 = 2/7×5/4=10/28
kalau disederhanakan:10/28:2/2=5/14.
b.10/9:1 2/3=10/9:5/3
=10/9×3/5=30/45
kalau disederhanakan:30/45:5/5=6/9
:6/9:3/3=2/3.
maaf kalau ada yg salah....
semoga membantu...

A. 2/7 : 4/5
= 2/7 × 5/4
= 10/28

B. 10/9 : 1 2/3
= 10/9 : 5/3
= 10/9 × 3/5
= 30/45

C. 2/25 : 6/10 : 5/9
= 2/25 × 10/6 × 9/5
= 180/750

D. 1 1/2 : 2 2/3 : 3 3/4
= 3/2 : 8/3 : 15/4
= 3/2 × 3/8 × 4/15
= 36/240