kerjain ya no 6 pakai cara please

[tex]5 \frac{1}{2} - 3\frac{3}{7} + 2 \ \frac{3}{4} \\ = \frac{11}{2} - \frac{24}{7} + \frac{11}{4} \\ = \frac{154}{28} - \frac{96}{28} + \frac{77}{28} \\ = \frac{135}{28} \\ = 4 \ \frac{23}{28} [/tex]