Question

The product of two rational number is - 15/7. if one of them is -10/21 find the other number​

Answer 1

Answer:

-35/21 is the other number.

Step-by-step explanation:

Let the another number be x

So,

-15/7 = x + (-10/21)

-15/7 = x - 10/21

-15/7 + 10/21 = x

(-15×3)/(7×3) + 10/21 = x

-45/21 + 10/21 = x

(-45+10)/21 = x

-35/21 = x

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