Question

please solve this questions ​

Answer 1

Answer:

i.) 1/7 answer

ii.) 8 answer

Answer 2

$i) \: \frac{3}{7} - \frac{2}{7} \\ \\ = \frac{3 - 2}{7} \\ \\ = \frac{1}{7}$

$ii) \: 1 \frac{5}{8} - 5 \\ \\ = \frac{13}{8} - 5 \\ \\ = \frac{13 - 40}{8} \\ \\ = \frac{ - 27}{8}$

$iii) \: \frac{7}{ - 15} + \frac{4}{ - 3} \\ \\ = \frac{ - 7 - 20}{ 15} \\ \\ = \frac{ - 27}{15}$

$iv) \: \frac{5}{26} - \frac{17}{39} \\ \\ = \frac{15 - 34}{78} \\ \\ = \frac{ - 19}{78}$

$v) \: \frac{3}{15} + \frac{ - 7}{10} - \frac{2}{5} \\ \\ = \frac{6 - 21 - 12}{30} \\ \\ = \frac{ - 27}{30} \\ \\ = \frac{ - 9}{10}$

$vi) \: \frac{9}{7} \times \frac{ - 4}{3} \\ \\ = \frac{ - 36}{21} \\ \\ = \frac{ - 12}{7}$

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