5. Fractions

Lesson

Identifying numbers that are multiples of other numbers is very useful when we work with fractions.

True or False: 18 is a multiple of 3.

Worked Solution

Idea summary

Factors and multiples are related to multiplication facts. Writing out a multiplication problem, such as 4\times 6=24 can help us remember which is which.

This video shows us how to find equivalent fractions so that we end up with common denominators.

Find the equivalent fraction:\dfrac{3\times 2}{5\times 2}=\dfrac{6}{⬚}

Worked Solution

Idea summary

To find an equivalent fraction, we must multiply the denominator and numerator by the same number.