Question

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Answer 1

Answer:

Q1]5/21

Q2]-73/66

Q3]-21/5

Step-by-step explanation:

Answer 2

Answer:

$(1) \frac{ - 3}{7} + \frac{2}{3} \\ \\ \frac{ - 3 + 2}{21} \\ \\ \frac{ - 9 + 14}{21} \\ \frac{5}{21} \\ \\ \\ (2) \frac{ - 5}{6} + \frac{ - 3}{11} \\ \\ \frac{ - 5 + - 3}{66} \\ \\ \frac{ - 55 - 18}{66} \\ \\ \frac{ - 73}{66} \\ \\ \\ (3) \frac{ - 3}{5} \times7 \\ \\ \frac{ - 21}{5}$