You are here
Example 3 - Chapter 1 Class 8 Rational Numbers
Last updated at August 14, 2026 by Teachoo
Addition and Multiplication of Rational numbers
Chapter 1 Class 8 Rational Numbers
Concept wise
- Types of Numbers
- Properties of Rational Number
-
Addition and Multiplication of Rational numbers
- Additivite Identity and Inverse
- Multiplicative Identity and Inverse
- Rational numbers on number line
- Rational numbers greater or smaller
- Rational numbers between two numbers
Transcript
Example 3 Find 2/5 "×" (−3)/7− 1/14−3/7 "×" 3/5 2/5 "×" (−3)/7− 1/14−3/7 "×" 3/5 = 2/5 × (−3)/7−𝟑/𝟕× 𝟑/𝟓− 1/14 = 2/5 × (−𝟑)/𝟕 + ((−𝟑)/𝟕) × 3/5 − 1/14 = (−𝟑)/𝟕 (2/5+3/5)−1/14 = (−3)/7 × 5/5 −1/14 = (−3)/7 × 1 −1/14 = (−𝟑)/𝟕 −𝟏/𝟏𝟒 = (−3)/7 "× " 2/2−1/14 = (−6)/14−1/14 = (−6 − 1)/14 = (−7)/14 = (−𝟏)/𝟐
