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Exam (elaborations)
Updated Gcse Maths Class Activity 2023
Finding the LCM of two numbers when you have the prime factors - - List all the prime 
factors out 
- If a factor appears more than once, list it that many times, e.g. 2, 2, 2, 3, 4 and 2, 2, 3, 
4 would be 2, 2, 2, 3, 4 
- Multiply these together 
Finding the HCF of two numbers when you have the prime factors - - List all the prime 
factors that appear in both numbers 
- Multiply these together 
Multiplying fractions - Multiply the top and bottom separately 
Dividing fractions - Turn the second...