The question is incomplete, here is the complete question:
Dan spends 2/5 of his wages on rent and 1/2 on food. If he makes £540 per week, how much money does he have left?
Answer: The amount of money left with Dan is £54
Explanation:
We are given:
Fraction of amount spent on rent =

Fraction of amount spent on food =

Total amount Dan makes in a week = £540
Amount of money spent on rent =

Amount of money spent on food =

Total amount of money spent = £270 + £216 = £486
Money left with Dan = £540 - £486 = £54
Hence, the amount of money left with Dan is £54