2 per 4 ditambah 5 1 per 2

[tex] \frac{5}{4} + 5 \frac{1}{2} \\ = 5 + \frac{5}{4} + \frac{2}{4} \\ = 5 + \frac{6}{4} \\ = 5 + 1 \frac{2}{4} \\ = 6 \frac{1}{2} [/tex]

[tex] \frac{2}{4} + 5 \frac{1}{2} \\ = \frac{2}{4} + \frac{11}{2} \\ = \frac{2}{4} + \frac{22}{4} \\ = \frac{24}{4} = 6[/tex]