Quick Notes

Quick Notes

Mathematics Chapter 1: Rational Numbers
1.3 Positive and Negative Fractions
1.3  Positive and Negative Fractions
 
  • Positive fractions are fractions more than \(0\).
  • Negative fractions are fractions less than \(0\).
 

 
  • The values of two or more fractions can be compared by equating the denominator first.
  • Then, arranged the fractions in ascending or descending order.
 
Combined basic arithmetic operations of positive and negative fractions:
 
  Example  
     
 

Solve:

\(\begin{aligned} &\space1\dfrac{1}{6}\times\bigg(\dfrac{3}{4}-\dfrac{1}{5}\bigg) \\\\&=\dfrac{7}{6}\times\bigg(\dfrac{15-4}{20}\bigg) \\\\&=\dfrac{7}{6}\times\dfrac{11}{20} \\\\&=\dfrac{77}{120}. \end{aligned}\)