# Additive Inverse of a Rational Number

Additive inverse of any rational number is that number with minus (negative) sign before it.
i.e, Additive inverse of a/b is -a/b

We can also find the additive inverse of a rational number by multipying it with -1

Question 1

Explanation

Additive inverse of 15/17 is -15/17

Alternative Method:1

15/17 x (-1) = -15/17

Question 2

Explanation

Additive inverse of -12/17 = -(-12)/17 = 12/17

Alternative Method:

-12/17 x (-1) = 12/17

Question 3

Explanation

Additive inverse of 17/26 is -17/26

Alternative Method:

17/26 x (-1) = -17/26

Question 4

Explanation

Additive inverse of -19/10 = -(-19)/10 = 19/10

Alternative Method:

-19/10 x (-1) = 19/10

Question 5

Explanation

Additive inverse of -35/17 = -(-35)/17 = 35/17

Alternative Method:

-35/17 x (-1) = 35/17

Question 6

Explanation

Additive inverse of -14/9 = -(-14)/9 = 14/9

Alternative Method:

-14/9 x (-1) = 14/9

Question 7

Explanation

Additive inverse of 16/9 is -16/9

Alternative Method:

16/9 x (-1) = -16/9

Question 8

Explanation

Additive inverse of -18/19 = -(-18)/19 = 18/19

Alternative Method:

-18/19 x (-1) = 18/19

Question 9

Explanation

Additive inverse of -23/21 = -(-23)/21 = 23/21

Alternative Method:

-23/21 x (-1) = 23/21

Question 10