Stan has an income of £2400 a month.
He spends 13\displaystyle \frac{1}{3}31 of his income on rent.
He spends 18\displaystyle \frac{1}{8}81 of his income on bills.
He spends 112\displaystyle \frac{1}{12}121 of his income on food.
Stan saves the rest of his income.
Work out how much Stan saves each month.
Hence, work out how much Stan saves in 3 months.
228 exam-style questions on OCR GCSE Maths Fractions of an Amount. Each one has a worked solution and a mark scheme showing where the marks go.