Question

divide the sum of -13/5 and 12/7 by the product of -13/7 and-1/2​

Answer 1

Sum of -13/5 and 12/7

-13/5 + 12/7 = -91+60/35

                   = -31/35

product of -13/7 and -1/2

-13/7 * -1/2 = 13/14

division:

-31/35 / 13/14 = -31 * 14 / 13 * 35

                     = -31 * 2 / 13 * 5

                     = -62 / 60

                     = -31/30

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