Question

simplify -11/30 - 8/15 + 7/6 + -2/5​

Answer 1

Answer:

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Answer 2

$= \frac{ - 11}{30} - \frac{8}{15} + \frac{7}{6} - \frac{2}{5}$

$= - \frac{11}{30} - \frac{8}{15} + \frac{(7 \times 5) - (2 \times 6)}{6 \times 5}$

$= - \frac{11}{30} - \frac{8}{15} + \frac{35 - 12}{30}$

$= - \frac{11}{30} - \frac{8}{15} + \frac{23}{30}$

$= \frac{23}{30} - \frac{11}{30} - \frac{8}{15}$

$=\frac{12}{30} - \frac{8}{15}$

$= \frac{12}{30} - \frac{8 \times 2}{15 \times 2}$

$= \frac{12}{30} - \frac{16}{30}$

$= \frac{ - 4}{30}$

$= \frac{ - 2}{15}$

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