Fred earns £19,654 a year. He has £8231 deducted. What are his deductions as a fraction of his earnings?

What is as an approximate fraction?
(Hint:round each number to the nearest thousand.)

A plot of land costs £19,900. It costs £204,720 to build a house on this plot. What will the total building costs be?

What fraction of the total cost is the cost of the land?
Give this as an approximate fraction. (Hint: round each number to the nearest ten thousand).