No1. 1 8/9 + 5/6= No2. 2 1/3 +1/6= No3. 4 1/2+3/4= No4. 1 5/6+5/8= plis tolong yaa bantu jawabb..

[tex]1. \: 1 \frac{8}{9} + \frac{5}{6} \\ \: = \frac{17}{8} + \frac{5}{6} \\ \: = \frac{51}{24} + \frac{20}{24} \\ \: = \frac{71}{24} \\ \: = 2 \frac{23}{24} \\ \\ 2. \: 2 \frac{1}{3} + \frac{1}{6} \\ = \frac{7}{3} + \frac{1}{6} \\ = \frac{14}{6} + \frac{1}{6} \\ = \frac{15}{6} \\ = 2 \frac{3}{6} \\ = 2 \frac{1}{2} \\ \\ 3. \: 4 \frac{1}{2} + \frac{3}{4} \\ = \frac{9}{2} + \frac{3}{4} \\ = \frac{18}{4} + \frac{3}{4} \\ = \frac{21}{4} \\ = 5 \frac{1}{4} \\ \\ 4. \: 1 \frac{5}{6} + \frac{5}{8} \\ = \frac{11}{6} + \frac{5}{8} \\ = \frac{44}{24} + \frac{15}{24} \\ = \frac{59}{24} \\ = 2 \frac{11}{24} [/tex]