Fifth-graders will continue to deepen their understanding of addition, subtraction, multiplication, and division of fractions.

In adding and subtracting fractions with unlike denominators, you have to get a least common denominator which is exactly like the least common multiple it just so happens to be in the denominator.

Adding, subtracting, multiplying and dividing can be applied to mixed number fractions. Practice your understanding with this National 5 Maths quiz.

She gave the example of the “butterfly” method of adding and subtracting fractions, which relies a multiplication trick to find a common denominator.