1. $$\frac{4}{5}+\frac{3}{10}$$
2. $$\frac{2}{3} + \frac{1}{6}$$​
3. $$\frac{5}{8} + \frac{8}{12}$$​
4. $$\frac{3}{5} + \frac{2}{5}$$​
5. $$\frac{7}{10} + \frac{1}{2}$$​
6. $$\frac{1}{3} + \frac{2}{9}$$​
7. $$\frac{5}{6} + \frac{5}{12}$$​
8. $$\frac{3}{8} + \frac{7}{16}$$​
9. $$\frac{2}{5} + \frac{3}{10}$$
10. $$\frac{12}{18} + \frac{13}{32}$$
11. $$\frac{3}{25} + \frac{11}{30}$$
12. $$\frac{6}{15} + \frac{12}{25}+ \frac{1}{30}$$
13. $$\frac{8}{30} + \frac{17}{48}+ \frac{9}{16}$$
14. $$\frac{16}{50} + \frac{19}{25}+ \frac{38}{100}$$
15. $$\frac{1}{14} + \frac{1}{28}+ \frac{9}{42}$$