Remark
You can multiply 1/2 on the top and bottom by the same number and get lots of fractions that are equal to 1/2
Examples
[tex] \frac{1 * 4}{2 * 4} = \frac{4}{8} \\ \\ \frac{1 * 9}{2 * 9} = \frac{9}{18}\\ \\ \frac{1*20}{2*20} = \frac{20}{40} [/tex]
