Question

what rational number should we multiply to -15/56 to get -5/7 explain properly​ please explain properly​

Answer 1

Answer:

55/21

Step-by-step explanation:

-15/55×x=-5/7

x=5/7÷15/55

×5/7×55/15

55/21

Answer 2

Let the rational number be y

Then,

-15/56 × y = -5/7

y = -5/7 ÷ -15/56

= -5/7 × -56/15

= -280/21

= -8/3

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