Basic-Fractions Wjec-Eduqas Higher

Basic fractions

What is a fraction?

• A fraction is part of a whole

• A fraction is written as  where a and b are integers

  • The number on the top, a, is called the numerator

  • The number on the bottom, b, is called the denominator

• The values of the numerator and denominator tell us about the size of the fraction 

  • The denominator is how many parts the whole is split into 

  • The numerator is how many parts you have

    • For example, means that the whole is divided into 3 parts and you have 2 of these parts

How do I find a fraction of an amount?

• Method 1
  Divide by the denominator and multiply by the numerator

  • To find of , divide it by 5 then multiply it by 2

    • , then 

• Method 2
  Change the fraction into a decimal, then multiply

  • To find of , turn into  then multiply

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