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Multiplying Fractions by Whole Numbers

Maths: Year 5 & 6 National Curriculum, topic 1.4.5

Finding a Fraction of a Quantity

When finding a fraction of a quantity, we are effectively just multiplying fractions.

What is $$\frac{2}{5}$$ of 90?

What is 25\frac{2}{5} of 90?

  • 90 can be written as 901\frac{90}{1} to make the multiplication easier.
  • We multiply the two numerators and the two denominators.
What is $$\frac{1}{6}$$ of 72?

What is 16\frac{1}{6} of 72?

  • Remember to write the starting amount as a fraction.

Test yourself on Multiplying Fractions by Whole Numbers

  • What is 14\frac{1}{4} of £56?

  • What is 35\frac{3}{5} of £20?

  • Which of the following are correct fraction calculations?

  • Fractional Amounts

Practise this topic for free