Question

-3/4 + 2/5 + (-7/12) +9/15​

Answer 1

Answer:

$= \frac{ - 3}{4} + \frac{2}{5} + \frac{ - 7}{12} + \frac{9}{15} \\ \\ = \frac{ - 9}{12} + \frac{ - 7}{12} + \frac{6}{15} + \frac{9}{15} \\ \\ = \frac{ - 16}{12} + \frac{15}{15} \\ \\ = \frac{ - 16}{12} + 1 \\ \\ = \frac{ - 16}{12} + \frac{12}{12} \\ \\ = \frac{ - 4}{12} \\ \\ = \frac{ - 1}{3}$

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Answer 2

Step-by-step explanation:

The answer is 7/3,

First do cancellation of 9/15=3/5,

Take common of 2/5+3/5=1,

After take 3/4+(-7/12)+1=28/12,

After cancellation we get 7/3

I hope you got understand