Question

It's important, please do it as fast as you can.​

Answer 1

Answer:

45: 27

Step-by-step explanation:

2 1/2:1 1/2 = 5/2:3/2

let assume it as 5x/2, 3x/2

addition =72

5x/2 + 3x/2 =72

by lcm

(5x+3x)/2=72

8x=72*2=144

x=144/8

x=18

ratio = 5x/2: 3x/2

• 5*18/2 : 3*18/2
• 5*9 : 3*9
• 45 : 27