Question

If A:B =4:9 and B:C = 5:6, find A:B and A:B:C​

Answer 1

Step-by-step explanation:

as we know :

l.c.m of 9 and 5 is 45. (both are B)

now:

4:9=4/9=4×5/9×5=20/45

5:6=5/6=5×9/6×9=45/54

so,A:B:C=20:45:54. (ans)