Harry has some sweets.
He gives 25\displaystyle \frac{2}{5}52 of the sweets to Sandra.
He gives 310\displaystyle \frac{3}{10}103 of the sweets to Jamie.
Harry keeps the rest of the sweets for himself.
Harry keeps 15 sweets.
Work out how many sweets Harry has.
228 exam-style questions on CCEA GCSE Maths Fractions of an Amount. Each one has a worked solution and a mark scheme showing where the marks go.