Question

Simplify each of the following and write as a rational number of the form p/q (ii) 2/3 + -5/6 + -7/9

Answer 1

Answer:

Answer :-

$\frac{2}{3} + \frac{( - 5)}{6} + \frac{( - 7)}{9} = ?$

$\frac{2}{3} - \frac{5}{6} - \frac{7}{9}$

$\frac{(12 - 15 - 14)}{18}$

$= \frac{ - 17}{18}$

Answer 2

Answer:

$\frac{2}{3} + ( \frac{ - 5}{6} ) + \frac{ - 7}{9} \\ \frac{2 \times 6 - 5 \times 3 - 7 \times 2}{18} \\ \frac{12 - 15 - 14}{18} \\ \frac{ - 17}{18}$

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