Question

помогите пожалуйста ​

Answer 1

1) $7\frac{2}{5} - 4\frac{1}{5} = 3\frac{1}{5} = 3,2$

2) $7\frac{7}{7} - \frac{4}{7} = 7\frac{3}{7}$

3) $\frac{9}{4} - \frac{7}{4} = \frac{2}{4} = 0,5$

4) $\frac{45}{45} - \frac{17}{45} = \frac{28}{45}$

5) $3\frac{12}{20} - \frac{6}{20} = 3\frac{6}{20} = 3,3$

6) $\frac{41}{9} - \frac{16}{9} = \frac{25}{9} = 2\frac{7}{9}$

7) $12\frac{6}{8} - 10\frac{4}{8} = 2\frac{2}{8} = 2,25$

8) $\frac{255}{30} - \frac{77}{30} = \frac{178}{30} = 5\frac{28}{30}$

9) $4\frac{10}{10} - 4\frac{7}{10} = \frac{3}{10}$

10) $13\frac{8}{9} - 13 = \frac{8}{9}$

11) $10\frac{3}{4} - 7 = 3\frac{3}{4} = 3,75$

12) $7\frac{5}{7} - 4\frac{3}{7} = 3\frac{2}{7}$

13) $\frac{28}{5} - \frac{9}{5} = \frac{19}{5} = 3,8$

14) $\frac{49}{11} - \frac{30}{11} = \frac{19}{11} = 1\frac{8}{11}$

15) $3\frac{9}{9} - \frac{5}{9} = 3\frac{4}{9}$

16) $9\frac{8}{8} - 3\frac{3}{8} = 6\frac{5}{8} = 6,625$

17) $1\frac{7}{22} - \frac{5}{22} = 1\frac{2}{22}$

18) $13\frac{2}{9} - \frac{2}{9} = 13$

19) $5\frac{3}{8} - 3\frac{1}{8} = 2\frac{2}{8} = 2,25$

20) $9\frac{11}{13} - 9\frac{12}{13} = -\frac{1}{13}$