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Maharashtra State BoardSSC (English Medium) 7th Standard

Write the multiplicative inverse. -713 - Mathematics

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Question

Write the multiplicative inverse.

`-7 1/3`

Sum
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Solution

It is known that the multiplicative inverse of any rational number a is the reciprocal of the rational number i.e., `1/a`

The given number is `-7 1/3`

Now, `-7 1/3`

`= - (7 + 1/3)`

`= - ((21 + 1)/3)`

`= - 22/3`

Multiplicative inverse of `- 22/3`

 = `1/(-22/3)`

= `- 3/22`

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Chapter 5: Operations on Rational Numbers - Practice Set 22 [Page 36]

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Balbharati Mathematics [English] Standard 7 Maharashtra State Board
Chapter 5 Operations on Rational Numbers
Practice Set 22 | Q 4.5 | Page 36
Balbharati Mathematics Integrated [English] Standard 7 Maharashtra State Board
Chapter 5 Operations on Rational Numbers
Practice Set 22 | Q 4. (v) | Page 49
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