Question

 If a:b = 4:3 , b:c = 4:9, a:b:c is​

Answer 1

To find a : b : c, b is made same in both the ratios. L.C.M of 4 and 5 is 20

a:b=

4

3

=

4×5

3×5

=

20

15

b:c=

9

5

=

9×4

5×4

=

36

20

∴ a:b:c=15:20:36

Answer 2

Answer:

a:b = 4:3

_b:c = 4:9

1. c=9×3=27
2. b=4×3=12
3. a=4×4=16

a:b:c = 16:12:27