Question

if A:B=5:6 and B:C=8:9.find A:B:C​

Answer 1

The lcm of both the 'b' (6 and 8)are48.

So, 5/6=5x8/6x8=40/48.

&8/9=8x6/9x6=48/54

So A:B:C=40:48:54

=20:24:27

Answer 2

Step-by-step explanation:

A/B=5/6

B=6A/5 (1)

B/C=8/9

B=8C/9 (2)

(1)=(2)

6A/5=8C/9

C=27A/20

from, question,

A/6A/5/27A/20