Exemplar 4: MathematicsĀ 

Table of Contents
Page 43

Look at the fraction problem below:

1 over 6 + 1 over 12 = ?

In this example, the denominators are not the same. To add these two fractions, first you must find their Least Common Denominator. A Least Common Denominator is the smallest number that is a multiple of both of the denominators.