John Oon's answer to Alex's Secondary 1 Maths Singapore question.

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John Oon
John Oon's answer
255 answers (Tutor Details)
1st
Pick the number with the highest power to form the LCM. eg When 60 has 5 100 has 5^2 pick 5^2. When 60 has one 3 and 100 has no 3 pick 3.