Foundation June 2022 Paper 1 Q12
12 Work out \(\dfrac{11}{18} - \dfrac{1}{3}\) [2 marks]
| Answer | Mark | Comments |
|---|---|---|
| \(\dfrac{6}{18}\) or Converts both fractions to an appropriate common denominator with at least one correct numerator | M1 | eg \(\dfrac{33}{54}\) and \(\dfrac{18}{54}\) |
| \(\dfrac{5}{18}\) | A1 | oe fraction eg \(\dfrac{15}{54}\) SC1 \(\dfrac{17}{18}\) (oe fraction) |
Additional guidance
| Ignore incorrect attempt to simplify after correct answer seen | |
| \(\dfrac{22}{30}\) and \(\dfrac{10}{30}\) not an appropriate denominator | M0 |