Verified answer

1. [tex]\frac{5}{9} -\frac{2}{9} =\frac{3}{9}[/tex];

2. [tex]\frac{4}{12} +\frac{1}{12} =\frac{5}{12}[/tex];

3. [tex]\frac{17}{20} -\frac{13}{20} =\frac{4}{20}[/tex];

4. [tex]\frac{19}{20} -\frac{9}{20} =\frac{10}{20}[/tex];

5.[tex]\frac{15}{22} +\frac{2}{22} =\frac{17}{22}[/tex];

6. [tex]\frac{5}{33} +\frac{8}{33} =\frac{13}{33}[/tex];

7. [tex]\frac{17}{150} -\frac{13}{150} =\frac{30}{150}[/tex];

8. [tex]\frac{78}{100} -\frac{27}{100} =\frac{105}{100} = 1\frac{5}{100}[/tex]

9. [tex]\frac{41}{44} -\frac{31}{44} =\frac{10}{44}[/tex].