Divide both the numerator and denominator by their HCF. The fraction has now been simplified. Knowing multiplication and division facts may make simplifying fractions easier. The HCF of 4 and 10 is 2.

Pro rata is therefore simply taking one fraction and finding its equal given a specific denominator. Pro rata attempts to solve for the numerator to make two fractions equal given specific criteria.

1. Proper Fractions: These are the fractions where the numerator is smaller than the denominator. For example, 3/4. These are always less than 1. 2. Improper Fractions: Fractions where the ...

multiplying fractions is no problem--top times top (numerator multiplied by numerator) over bottom times bottom (denominator multiplied by denominator)." ...