divide the sum of -13/5and -12/7 by the product of -31 /7 and -1/2
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Answer:
sum of -13/5+(-12/7) = -13/5-12/7
=(-(13×7)-(12×5))/(5×7)
=(-91-60)/35
=-151/35
product of (-13/5)×(-12/7) = (13×12)/(5×7)
=156/35
on dividing
=(-151/35)/(156/35)
=-151/156
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