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Year 7 Interactive Maths - Second Edition


Common Multiples

Multiples that are common to two or more numbers are said to be common multiples.

E.g. Multiples of 2 are 2, 4, 6, 8, 10, 12, 14, 16, 18,
       Multiples of 3 are 3, 6, 9, 12, 15, 18,

So, common multiples of 2 and 3 are 6, 12, 18,


Example 2

Find the common multiples of 4 and 6.

Solution:

Multiples of 4 are 4, 8, 12, 16, 20, 24, 28, 32, 36,
Multiples of 6 are 6, 12, 18, 24, 30, 36,

So, the common multiples of 4 and 6 are 12, 24, 36,


Key Term

common multiple


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