Lemmara logoLemmaraWorked solution

4024/11 Oct/Nov 2020, Question 1: Addition and Subtraction of Fractions

Cambridge O Level Mathematics 4024 · Paper 11 (Non-calculator) · Non-calculator · 2 marks

اقرأ هذا الحل مشروحاً بالعربي ←

The question, in short

Evaluate two arithmetic expressions: a fraction subtraction and a decimal calculation involving multiplication and subtraction.

Summarised in our own words. Use the official paper for the exact wording and any diagrams.

Part (a) · 1 mark

Subtract the fraction 1/3 from 4/7 and give the result.

  1. 14/7 − 1/3 = 12/21 − 7/21
  2. 2= 5/21

Answer5/21

Part (b) · 1 mark

Work out 2 − 1.2 × 0.3, using the correct order of operations.

  1. 11.2 × 0.3 = 0.36
  2. 22 − 0.36 = 1.64

Answer1.64

Stuck on a step? Read the free lesson: Addition and Subtraction of Fractions

Practise more addition and subtraction of fractions questions

Real 4024 past-paper questions, marked on your working like the exam, with a worked solution for every part.

Practise free on Lemmara

More past-paper questions on addition and subtraction of fractions

Also searched as: 4024/11/O/N/20 · 4024_w20_qp_11 · 4024 w20 11 · question 1.
Lemmara is an independent study tool, not affiliated with or endorsed by Cambridge International Education. The worked solutions are Lemmara’s own.