Question

Помогите пожалуйста ​

Answer 1

1. $\frac{5}{9} -\frac{2}{9} =\frac{3}{9}$;

2. $\frac{4}{12} +\frac{1}{12} =\frac{5}{12}$;

3. $\frac{17}{20} -\frac{13}{20} =\frac{4}{20}$;

4. $\frac{19}{20} -\frac{9}{20} =\frac{10}{20}$;

5.$\frac{15}{22} +\frac{2}{22} =\frac{17}{22}$;

6. $\frac{5}{33} +\frac{8}{33} =\frac{13}{33}$;

7. $\frac{17}{150} -\frac{13}{150} =\frac{30}{150}$;

8. $\frac{78}{100} -\frac{27}{100} =\frac{105}{100} = 1\frac{5}{100}$

9. $\frac{41}{44} -\frac{31}{44} =\frac{10}{44}$.