Question

please answer me please​

Answer 1

Step-by-step explanation:

1. $\frac{1}{10} + \frac{3}{6} \\ = \frac{3 + 15}{30} \\ = \frac{18}{30} = \frac{3}{5}$
2. $\frac{1}{10} - \frac{3}{6} \\ = \frac{3 - 15}{30} \\ = \frac{ - 12}{30} = \frac{ - 2}{5}$
3. $\frac{7}{15} + \frac{1}{3} + \frac{2}{5} \\ = \frac{7 + 5 + 6}{15} \\ = \frac{18}{15} = \frac{6}{5}$
4. $\frac{7}{15} - \frac{1}{3} - \frac{2}{5} \\ = \frac{7 - 5 - 6}{15} \\ = \frac{ - 4}{15}$
5. $2\frac{3}{8} = \frac{19}{8} \\ 1 \frac{1}{4} = \frac{5}{4} \\ \\ \frac{19}{8} + \frac{5}{4} \\ = \frac{19 + 10}{8} = \frac{29}{8}$
6. $\frac{19}{8} - \frac{5}{4} \\ = \frac{19 - 10}{8} \\ = \frac{9}{8}$

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