Question

IF A:B = 5:6 AND B:C = 8:9 . FIND A:B:C

Answer 1

solution = A:B:B:C
5:6::8:9
=5×8/6×8=8×6/9×6
=40/48=48/54
=A:B::B:C
● take b as common
SO, A:B:C=40:48:54