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28-09-2018
Mathematics

contestada

-3 1/5 + (-6 1/2)
A. -3 2/7
B. -3 7/10
C. -9 2/7
D. -9 7/10

Respuesta :

Аноним Аноним

30-09-2018

-3 and 1/5 + (-6 and 1/2) = -16/5 - 13/2

The LCM of denominators 5 and 2 is 10

Working out gives;

(-32 - 65)/10 = -97/10

Simplifying gives you;

-9 and 7/10

So 'D' is the correct choice.

Answer Link

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