Example 3 - Chapter 1 Class 8 Rational Numbers

Last updated at Dec. 16, 2024 by

Slide3.JPG

Slide4.JPG

Go Ad-free

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

Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo