For a word-problem fraction, use parttotal\frac{\text{part}}{\text{total}}totalpart: the denominator is the [ ].
total number of items
number of unselected items
number of selected items
difference between the parts
Flashcards for Edexcel GCSE Maths Writing, Simplifying and Ordering Fractions, covering the key formulae, methods and definitions you need to recall for Paper 1, Paper 2 and Paper 3. 21 cards, matched to the Edexcel GCSE Maths (1MA1) specification.