This exam tips covers Common Mistakes to Avoid within Fractions Basics for GCSE Mathematics. Revise Fractions Basics in Number for GCSE Mathematics with 12 exam-style questions and 22 flashcards. This topic appears less often, but it can still be a useful differentiator on mixed-topic papers. It is section 12 of 13 in this topic. Treat this as a marking guide for what examiners are looking for, not just a fact list.
Topic position
Section 12 of 13
Practice
12 questions
Recall
22 flashcards
Common Mistakes to Avoid
❌ Wrong: Not simplifying: Answer = 6/8
✅ Right: Always simplify: 6/8 = 3/4
Marks lost for not giving simplest form
❌ Wrong: 2½ = 2×1 + 2 = 4/2
✅ Right: 2½ = 2×2 + 1 = 5/2
Multiply whole by denominator, not numerator
❌ Wrong: ¾ of 80 = 80÷3×4
✅ Right: ¾ of 80 = 80÷4×3 = 60
Divide by denominator first, then multiply