Foundation June 2024 Paper 2 Q9
9 Work out the following, giving each answer as a fraction in its simplest form.
(a) \(\dfrac{7}{16} - \dfrac{1}{4}\) [2]
(b) \(\dfrac{5}{12} \div \dfrac{5}{9}\) [3]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| \(\dfrac{3}{16}\) | 2 | M1 for \(\frac{4}{16}\) or \(\frac{7k}{16k} - \frac{4k}{16k}\) or \(\frac{3k}{16k}\) | e.g \(\frac{28}{64} - \frac{16}{64}\) |
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| \(\dfrac{3}{4}\) | 3 | B2 for \(\frac{45}{60}\) oe fraction or \(\frac{1}{4} \times \frac{3}{1}\) or M1 for \(\frac{5}{12} \times \frac{9}{5}\) or \(\dfrac{1}{\frac{12}{9}}\) or \(\dfrac{1}{\frac{4}{3}}\) If 0 scored, award SC1 for converting the fractions to a common denominator | isw attempts to convert after correct answer seen e.g. 0.75 \(\frac{15k}{36k} \div \frac{20k}{36k}\) e.g. \(\frac{15}{36} \div \frac{20}{36}\) or \(\frac{15}{36}\) and \(\frac{20}{36}\) |