Find the multiplicative inverse of
(i) -1 1/8
(ii) 3 1/3

Solution:

The multiplicative inverse is the number which when multiplied with the given number gives result as 1

(i) -1 1/8

-1 1/8 = -9/8

(-9/8 × X) = 1

Thus multiplicative inverse of-1 1/8 is -8/9

(ii) 3 1/3

Change into proper fraction

3 1/3 = 10/3

(10/3 × X) = 3/10

Thus multiplicative inverse of 3 1/3 is 3/10

✦ Try This: Find the multiplicative inverse of

(i) -1/7

(-1/7 × X) = 1

Thus multiplicative inverse of -1/7 is -7

(ii) 5/9

(5/9 × X) = 1

Thus multiplicative inverse of 5/9 is 9/5

☛ Also Check: NCERT Solutions for Class 8 Maths Chapter 1

NCERT Exemplar Class 8 Maths Chapter 1 Problem 125

Find the multiplicative inverse of (i) -1 1/8, (ii) 3 1/3

Summary:

The multiplicative inverse of (i) -1 1/8 is -8/9, (ii) 3 1/3 is 3/10

☛ Related Questions:

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