Answer:
If you want to share £20 in the ratio 2:3, you divide you 20 into 5 portions, 1st part consists of 2 portions, 2nd part consists of 3 portions.
Then you found that, the first part would be: 20 x 2/5 = £8 and the second part would be: 20 x 3/5 = £12
Hope this helps!
:)