Math 6 Chapter 3 Lesson 4: Reduce fractions 1. Summary of theory 1.1. How to shorten fractions Rule: To reduce a fraction, we divide both the numerator and denominator of the fraction by a common divisor (other than 1 and (-1)) of them. Eg: Simplify fractions (dfrac{14}{6}) We have UC(14, 6)=2 so we have: (dfrac{14}{6}=dfrac{14:2}{6:2}=dfrac{7}{3}) …