5) 4$$\frac{5}{12}$$-1$$\frac{3}{4}$$=4$$\frac{5}{12}$$-1$$\frac{9}{12}$$=3$$\frac{17}{12}$$-1$$\frac{9}{12}$$=2$$\frac{8}{12}$$=2$$\frac{2}{3}$$ 6) 5$$\frac{1}{4}$$-1$$\frac{1}{2}$$= 7) 8$$\frac{1}{3}$$-1$$\frac{7}{18}$$= 8) 4$$\frac{2}{15}$$-2$$\frac{1}{6}$$= 9) 6$$\frac{2}{7}$$-3$$\frac{15}{28}$$= 10) 2$$\frac{2}{5}$$-1$$\frac{6}{7}$$=