Question

BY what no. should we multiply -3/4, so that the product may be 2/3

Answer 1

the answer is -8/9

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Answer 2

Let the unknown number be x,

number 1=-3/4

number 2=x

product=2/3

hence, number 1 x number 2 = product

or, -3/4 x x = 2/3

or, x = 2/3÷-3/4

=2/3x-4/3=-8/9

x = -8/9

Therefore, the required number is -8/9