Question

[-6/7]+[-5/6]+[-4/9]+[-15/7]​

Answer 1

Step-by-step explanation:

$( \frac{ - 6}{7} + \frac{ - 5}{6}) + ( \frac{ - 4}{9} + \frac{ - 15}{7} ) \\ lcm = 42 \: \: \: \: \: \: \: lcm = 63 \\ \frac{ - 36 - 35}{42} + \frac{ - 28 - 135}{63} \\ \frac{ - 71}{42} + \frac{ - 163}{63} \\ lcm = 2646 \\ \frac{ - 4473 - 6846}{2646} \\ \frac{ - 11319}{2646} \\ 4.27777 \: approx.$

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