Find the lowest common multiple (LCM) of 28, 42 and 63 Show your working clearly.

Mathematics
IGCSE&ALevel
EDEXCEL
Exam No:4MA1_2H_que_20220118 Year:2022 Question No:IGCSE&ALevelMathematics2022IG0431

Answer:



Knowledge points:

1: Numbers and the number system

Solution:

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