If Andy is one as original then it is 2/5 x 4/3 of bala, which is 8/15 of bala. Andy has less money, right?

Then total is 1518

Bala plus Andy is 1518

1 Bala plus 8/15 Bala is 1518

Then 1 Bala is 1518/(1+ 8/15) is 990

Then Andy is 8/15 x 990 is 528

You may check the figures again and practise