CBSE Grade 7 Maths Chapter 9 - Rational Numbers - Division
Operations on Rational Numbers - Division.
Reciprocal or multiplicative inverse
- The multiplicative inverse of any rational number a/b is defined as b/a so that
(a/b) x (b/a) =1
- Zero does not have any reciprocal or multiplicative inverse
Product of Reciprocal
- If we multiply the reciprocal of the rational number with that rational number then the product will always be 1.
Division of Rational Numbers
In division process
- Write the first Rational number as it is
- Change the sign of division to multiplication
- Write the reciprocal of the second Rational Number
- Solve
- Bring the answer in Standard Form
Example
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