Simple LCM: Fluency & Practice
Mathematics
GCSE Higher
11 questions
~22 mins
1 views0 downloads
About This Worksheet
A worksheet focusing on mastering the calculation of the least common multiple (LCM) to add fractions with unlike denominators. Designed to build procedural fluency and problem-solving skills.
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Full preview • 11 questions
Simple LCM: Fluency & Practice
Subject: MathematicsGrade: GCSE Higher
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Untitled Worksheet
Grade GCSE Higher
A
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
Find the LCM of 4 and 6.
[2 marks]2.
Calculate the LCM of 8 and 12.
[2 marks]3.
What is the LCM of 5 and 7?
[2 marks]4.
Find the LCM of 9 and 15.
[2 marks]5.
Calculate the LCM of 6, 8 and 12.
[3 marks]6.
Find the LCM of 10 and 25.
[2 marks]7.
A recipe requires flour in two different batches: one uses 18 grams and another uses 24 grams. Find the smallest amount (in grams) that is divisible by both amounts using the LCM.
[3 marks]8.
Construct a rectangle grid to represent the LCM of 14 and 21. (Plot the least common multiple on the grid).
[3 marks]9.
A bus schedule has buses arriving every 9 minutes and every 12 minutes. When will both buses arrive at the station together after 9 minutes?
[3 marks]10.
Identify and correct the mistake in this solution: 'The LCM of 6 and 8 is 14 because 6 and 8 both go into 14 evenly.'
[3 marks]11.
Find the LCM of 16 and 20, and then add fractions with denominators 16 and 20 to ensure they have the same denominator.
[4 marks]Quick Actions
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Details
- Created
- 1/1/2026
- Updated
- 1/1/2026
- Type
- worksheet