Question

If the product of two rational number is -9/16 and one of them is -4/5, find the other number number.​

Answer 1

Step-by-step explanation:

Given

Product of two rational numbers =−11/12

One of the number =

2

9

4

=22/9

The other number is calculated as below

−11/12÷22/9

=−11/12×9/22

We get,

Therefore, the other number is −3/8.

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Answer 2

Answer: 45/64

Step-by-step explanation:

Let the required no. be x

So, x* -4/5= -9/16

     x = -9/16 / -4/5

The minus signs will be crossed

     x = 9/16 * 5/4

     x = 9*5/16*4

     x = 45/64