Smart NCERT Solutions

  📘 Class 8 Maths Chapter 1 – Rational Numbers Looking for Class 8 Maths Chapter 1 Rational Numbers NCERT Solutions ? Here you will get clear explanations, important properties, solved examples, and exercise solutions in simple language. 🔹 Exercise 1.1 Solutions Q1. Write the additive inverse of: (i) 2/8 Additive inverse means the number which when added gives 0. Answer: –2/8 (ii) –5/9 Answer: 5/9 (iii) 6/–5 Answer: 6/5 Q2. Find the reciprocal of: (i) –8/9 Reciprocal = –9/8 (ii) 7/–3 Reciprocal = –3/7 (iii) –1 Reciprocal = –1 🔹 Exercise 1.2 Solutions Q1. Verify closure property under addition: Take 1/2 and 3/4 1/2 + 3/4 LCM of 2 and 4 = 4 1/2 = 2/4 Now add: 2/4 + 3/4 = 5/4 Since 5/4 is rational, closure property is verified. Q2. Verify commutative property: 2/3 + 5/6 LCM = 6 2/3 = 4/6 4/6 + 5/6 = 9/6 Now reverse: 5/6 + 2/3 5/6 + 4/6 = 9/6 Both answers same. Property verified. 🔹 Important Properties of Rational Numbers 1️⃣ Closure Property 2️⃣ Commutative Property 3️⃣...