sederhanakanlah perbandingan-perbandingan berikut! a.28:90 b.1 1/2 c. 2 1/2 d. 12 1/2 : 1 m e. 200g:6kg f. 15menit ; 1 1/2 jam

a). 28 : 90 = 14 : 45

b). 1 1/2 = 3/2 = 3 : 2

c). 2 1/2 = 5/2 = 5 : 2

d). 12 1/2 : 1 = 6 : 1

e). 200g : 6 kg
= 200g : 6000g
= 1 : 30

f). 15 menit : 1 1/2 jam
= 15 menit : 90 menit
= 1 : 6

semoga membantu ^-^