Find the multiplicative inverse of the following: (i) -13, (ii) -13/19, (iii) ⅕, (iv) -⅝ x -3/7, (v) -1 x -⅖, (vi) – 1
By BYJU'S Exam Prep
Updated on: September 25th, 2023
The multiplicative inverse is the reciprocal of a given rational number
The product of a rational number and its multiplicative inverse is 1
(i) -13
The multiplicative inverse of -13 is -1/13
-13 x (-1/13) = 1
(ii) -13/19
The multiplicative inverse of -13/19 is -19/13
-13/19 x -19/13 = 1
Table of content
(iii) ⅕
The multiplicative inverse of ⅕ is 5
⅕ x 5 = 1
(iv) -⅝ x -3/7
The multiplicative inverse of -⅝ x -3/7 is 56/15
-⅝ x -3/7 = 15/56
15/56 x 56/15 = 1
(v) -1 x -⅖
The multiplicative inverse of -1 x -⅖ is 5/2
-1 x -⅖ = ⅖
⅖ x 5/2 = 1
(vi) – 1
The multiplicative inverse of -1 is -1
-1 x -1 = 1
Therefore, the multiplicative inverse is 1.
Summary:
Find the multiplicative inverse of the following
(i) -13
(ii) -13/19
(iii) ⅕
(iv) -⅝ x -3/7
(v) -1 x -⅖
(vi) – 1
The multiplicative inverse of the following
(i) -13 is 1
(ii) -13/19 is 1
(iii) ⅕ is 1
(iv) -⅝ x -3/7 is 1
(v) -1 x -⅖ is 1
(vi) – 1 is 1
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