Question

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Answer 1

Answer:

All answer is in your pic.......

Answer 2

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7.

(3)

=> $\frac{ - 9}{2} + (\frac{ - 11}{4} )$

=> $\frac{ - 18 \: -11}{4} = \frac{ - 29}{4}$

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8.

(1)

=> $\frac{11}{12} - \frac{5}{24}$

=> $\frac{22 \: - \: 5}{24} = \frac{17}{24}$

(2)

=> $2 \times \frac{3}{8} - 3 \times \frac{1}{12}$

=> $\frac{19}{8} - \frac{36}{12} = \frac{57 - 72}{24} = \frac{ - 15}{24} = \frac{ - 5}{8}$

(3)

=> $6 \times \frac{3}{10} - 2 \times \frac{1}{15}$

=> $\frac{63}{10} - \frac{31}{15} = \frac{189 - 62}{30} = \frac{127}{30}$

$\color{blue}{ANSWER}$

9.

(1)

=> $\frac{27}{28} \times \frac{20}{21} = \frac{27 \times 20}{28 \times 21} = \frac{540}{588} = \frac{45}{49}$

(2)

=> $\frac{5}{8} \times \frac{18}{25} = \frac{5 \times 18}{8 \times 25} = \frac{90}{200} = \frac{9}{20}$

(3)

=> $\frac{11}{4} \times \frac{16}{33} = \frac{11 \times 16}{4 \times 33} = \frac{176}{132} = \frac{4}{3}$

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